What is the significance of X-Series patents in the MPEP?

What is the significance of X-Series patents in the MPEP? The MPEP 901.04 provides information about X-Series patents: “X-Series patents were issued from the early 1800’s through the middle 1830’s.” Key points about X-Series patents: They represent some of the earliest patents issued in the United States These patents were issued before the modern numbering…

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What is the USPTO Patent Full-Text and Image Database?

The USPTO Patent Full-Text and Image Database is a comprehensive resource for accessing patent documents. According to MPEP 902.03(a), “The USPTO Patent Full-Text and Image Database provides full-text of all US patents issued since January 1, 1976, and full-page images of each page of every US patent issued since 1790.” This database is an invaluable…

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What is the role of the United States Patent Classification (USPC) system in modern patent searches?

The United States Patent Classification (USPC) system, while no longer the primary classification system, still plays a role in modern patent searches: Serves as a secondary classification system Remains available for searching older U.S. patent documents Complements the CPC system for comprehensive searches According to MPEP 902, “The United States Patent Classification System (USPC) is…

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How can I obtain copies of patent assignment records?

Obtaining copies of patent assignment records depends on when the assignment was recorded. According to MPEP 301.01: For assignments recorded on or after May 1, 1957: Copies can be obtained from the USPTO upon request and payment of the fee set forth in 37 CFR 1.19. The MPEP states: “Requests for abstracts of title for…

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