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Publication numberUST947012 I4
Publication typeGrant
Publication dateJun 1, 1976
Filing dateApr 28, 1975
Priority dateApr 28, 1975
Also published asCA1071694A1, DE2616804A1
Publication numberUS T947012 I4, US T947012I4, US-I4-T947012, UST947012 I4, UST947012I4
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet

US T947012 I4
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Classifications
U.S. Classification219/216, 432/228, 219/469, 432/60
International ClassificationG03G15/20
Cooperative ClassificationG03G2215/20, G03G15/2067
European ClassificationG03G15/20H2P1