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US2961016A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable power reciprocating saw

Assignee: Individual
•
Filing: 1956-08-07
•
Granted: 1960-11-22
•
Expires: 1976-08-07
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Abstract

No abstract record available.

Inventors

  • 👤 Walter A Papworth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:24
CPC Classifications
B; B23; B23D; B23D49/00; B23D49/10; B23D49/16; B23D49/162; B23D49/165; B23D51/00; B23D51/02; B23D59/00; B23D59/006; B23D59/0062

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3287A Cited
US1303561A Cited
US1043775A Cited
US1269883A Cited
US1855371A Cited
US2619133A Cited
US2705980A Cited
US2737984A Cited
US2781800A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-11-22 1964-05-23 1964-11-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-11-22 1968-05-23 1968-11-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-11-22 1972-05-23 1972-11-22 $7700.00 Window Closed / Lapsed

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