<?xml version="1.0"?>

<ownershipDocument>

    <documentType>3</documentType>

    <periodOfReport>2003-04-30</periodOfReport>


    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000025793</issuerCik>
        <issuerName>CROSS A T CO</issuerName>
        <issuerTradingSymbol>ATX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001231462</rptOwnerCik>
            <rptOwnerName>BOSS W RUSSELL JR TRUST B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Class A Common Stock</value>
        </securityTitle>
        <transactionAmounts>
            <transactionShares>
                <value>831000</value>
            </transactionShares>
        </transactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <derivativeSecurity>
        <securityTitle>
            <value>Class B Convertable Common Stock</value>
        </securityTitle>
        <conversionOrExercisePrice>
            <value>0</value>
            <footnoteId id="F2"/>
        </conversionOrExercisePrice>
        <exerciseDate>
            <value>2003-04-30</value>
        </exerciseDate>
        <expirationDate>
            <value>1988-08-08</value>
            <footnoteId id="F1"/>
        </expirationDate>
        <underlyingSecurity>
            <underlyingSecurityTitle>
                <value>Class A Common Stock</value>
            </underlyingSecurityTitle>
            <underlyingSecurityShares>
                <value>902400</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </derivativeSecurity>

    <footnotes>
        <footnote id="F1">There is no expiration date.</footnote>
        <footnote id="F2">These securities are convertable to Class A Common Stock on a 1-for-1 basis.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Noel M. Field, Jr. (Co-Trustee)</signatureName>
        <signatureDate>2003-05-12</signatureDate>
    </ownerSignature>

</ownershipDocument>

