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US2473407A Expired / Lapsed US ⏱️ 0.0 years remaining

Disk supporting jig while treating the edge of the disk

Assignee: Individual
•
Filing: 1947-05-02
•
Granted: 1949-06-14
•
Expires: 1967-05-02
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Abstract

No abstract record available.

Inventors

  • 👤 Clifford E Adams

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 17:31
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US681440A Cited
US716788A Cited
US1327973A Cited
US1401563A Cited
US1611756A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-06-13 1952-12-13 1953-06-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-06-13 1956-12-13 1957-06-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-06-13 1960-12-13 1961-06-14 $7700.00 Window Closed / Lapsed

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