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US2996760A Expired / Lapsed US ⏱️ 0.0 years remaining

Ring type matrix

Assignee: PRECISION RECAPPING EQUIPMENT CO
•
Filing: 1958-11-13
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Granted: 1961-08-22
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Expires: 1978-11-13
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Abstract

No abstract record available.

Inventors

  • 👤 Clement O Dennis
  • 👤 William C Shaver

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:04
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/54; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44496; Y10T24/44513; Y10T24/44521

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US331742A Cited
US496736A Cited
US1275942A Cited
US1633587A Cited
US1583226A Cited
US2259975A Cited
US2475579A Cited
US2606342A Cited
US2712156A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-08-21 1965-02-20 1965-08-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-08-21 1969-02-20 1969-08-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-08-21 1973-02-20 1973-08-22 $7700.00 Window Closed / Lapsed

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