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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RFmreunoVrch9c6idVpciRNmbkXys+F1DwDj4nSyhRvwjSdV2S74bJYjnZjymN7i
 30h1ZIqvMqL5Bs8j7b/C8w==

<SEC-DOCUMENT>0000351012-04-000003.txt : 20040105
<SEC-HEADER>0000351012-04-000003.hdr.sgml : 20040105
<ACCEPTANCE-DATETIME>20040105133238
ACCESSION NUMBER:		0000351012-04-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040102
FILED AS OF DATE:		20040105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERMAGNETICS GENERAL CORP
		CENTRAL INDEX KEY:			0000351012
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS FABRICATED METAL PRODUCTS [3490]
		IRS NUMBER:				141537454
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		450 OLD NISKAYUNA RD
		STREET 2:		PO BOX 461
		CITY:			LATHAM
		STATE:			NY
		ZIP:			12110-0461
		BUSINESS PHONE:		5187821122

	MAIL ADDRESS:	
		STREET 1:		450 OLD NISKAYUNA ROAD
		STREET 2:		PO BOX 461
		CITY:			LATHAM
		STATE:			NY
		ZIP:			12110-0461

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WEINIG SHELDON
		CENTRAL INDEX KEY:			0001181570

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11344
		FILM NUMBER:		04503259

	BUSINESS ADDRESS:	
		STREET 1:		C/O INSITUFORM TECHNOLOGIES INC
		STREET 2:		702 SPIRIT 40 PARK DRIVE
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005
		BUSINESS PHONE:		6365308000

	MAIL ADDRESS:	
		STREET 1:		C/O INSITUFORM TECHNOLOGIES INC
		STREET 2:		702 SPIRIT 40 PARK DRIVE
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001181570d20040105f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2004-01-02</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000351012</issuerCik><issuerName>INTERMAGNETICS GENERAL CORP</issuerName>        <issuerTradingSymbol>IMGC</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001181570</rptOwnerCik><rptOwnerName>WEINIG SHELDON</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>25 SUTTON PLACE NORTH</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>NEW YORK</rptOwnerCity><rptOwnerState>NY</rptOwnerState><rptOwnerZipCode>10022</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeTa
ble><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2004-01-02</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>2349</value></transactionShares><transactionPricePerShare><value>5.5921</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>24686</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivati
veTable><derivativeTransaction><securityTitle><value>Stock Options (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>5.5921</value></conversionOrExercisePrice><transactionDate><value>2004-01-02</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>2349</value></transactionShares><transactionPricePerShare><value>5.5921</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2000-01-04</value></exerciseDate><expirationDate><value>2004-01-04</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>2349</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmo
unts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes></footnotes><ownerSignature><signatureName>Katherine M. Sheehan</signatureName><signatureDate>2004-01-05</signatureDate></ownerSignature></ownershipDocument>

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</SEC-DOCUMENT>
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