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US2616337A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for cutting noncircular gears, cams, and the like

Assignee: Individual
•
Filing: 1948-03-30
•
Granted: 1952-11-04
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Expires: 1968-03-30
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Abstract

No abstract record available.

Inventors

  • 👤 John G Tappert
  • 👤 Sperling William

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 17:46
CPC Classifications
B; B23; B23F; B23F15/00; B23F15/06; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10477; Y10T409/105088; Y10T409/105247; Y10T409/107473

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1177503A Cited
US1716115A Cited
DE513715C Cited
US1933798A Cited
US2116593A Cited
US2151743A Cited
US2226677A Cited
US2271598A Cited
US2443793A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-11-04 1956-05-05 1956-11-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-11-04 1960-05-05 1960-11-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-11-04 1964-05-05 1964-11-04 $7700.00 Window Closed / Lapsed

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