Category Archives: USPC

Consolidated Glossary of USPC Terms

A new Consolidated Glossary of U.S. Patent Classification Terms is now available on the USPTO patent classification website. The glossary consists of a comprehensive list of terms taken from the classification definitions of the USPC. Terms are listed in alphabetical … Continue reading

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Searching the USPC: Proximate Function

For novice patent searchers one of the most difficult concepts in the U.S. Patent Classification system is the idea that inventions can be classified on the basis of “proximate function.” Proximate function is one of four schemes in the USPC … Continue reading

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USPC Class Orders 1879, 1880

On Sept. 2, the USPTO issued Classification Order 1879 covering changes to design class D14, Recording, Communication, or Information Retrieval Equipment. New subclasses have been established for flash type memory drives, karaoke systems and digital media recorders. There are approximately … Continue reading

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Classification Order 1877 – Class 606, Surgery

The USPTO has recently published Classification Order #1877 affecting subclasses in Class 606, Surgery. Class 606 is part of a mega-class composed of Classes 128, 600, 601, 602, 604, 606, 607. Class 606 covers surgical instruments. This is the third … Continue reading

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New Classification Orders, #1867-1874

The USPTO has issued eight new classifications orders since Oct. 1, 2007, an unusually large number for a three-month period. Classes affected include: 711 – Electrical computers and digital processing systems: memory714 – Error detection/correction and fault detection/recovery715 – Data … Continue reading

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New USPC Classification Orders

The USPTO has recently issued several new classification orders affecting Classes 375 (Pulse or Digital Communications), 386 (Television Signal Processing for Dynamic Recording or Reproduction) and 525 (Synthetic Resins or Rubbers).

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US Classification Tools – New Feature

The USPTO’s online classification search system has a new feature that will make browsing classification schedules much easier. Users can now use an “Outline” feature to collapse any schedule from its normal full display to just its mainline through level … Continue reading

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