Class 310 Electrical Generator Or Motor Structure... Patent Classification Definitions... Patent And Trademark Office... U.S. Dept. Of Commerce... December 1996

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Class 322 Electricity: Single Generator Systems... Patent Classification Definitions... Patent And Trademark Office... U.S. Dept. Of Commerce... December 1996

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Class 340 Communications: Electrical... Patent Classification Definitions... Patent And Trademark Office... U.S. Dept. Of Commerce... December 1996

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Class 363 Electric Power Conversion Systems... Patent Classification Definitions... Patent And Trademark Office... U.S. Dept. Of Commerce... December 1996

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Class 200 Electricity: Circuit Makers And Breakers... Patent Classification Definitions... Patent And Trademark Office... U.S. Dept. Of Commerce... December 1996

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Class 364 Electrical Computers And Data Processing Systems... Patent Classification Definitions... Patent And Trademark Office... U.S. Dept. Of Commerce... December 1996

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Class 91 Motors: Expansible Chamber Type... Patent Classification Definitions... Patent And Trademark Office... U.S. Dept. Of Commerce... December 1996

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Classs 361 Electricity: Electrical Systems And Devices...Patent Classification Definitions... Patent And Trademark Office... U.S. Dept. Of Commerce... December 1996

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Class 323 Electricity: Power Supply Or Regulation Systems... Patent Classification Definitions... Patent And Trademark Office... U.S. Dept. Of Commerce... December 1996

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Class 164 Metal Founding... Patent Classification Definitions... Patent And Trademark Office... U.S. Dept. Of Commerce... December 1996

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