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US2876961A Expired / Lapsed US ⏱️ 0.0 years remaining

Roll shaft

Assignee: Individual
•
Filing: 1955-10-18
•
Granted: 1959-03-10
•
Expires: 1975-10-18
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph W Cole
  • 👤 James E Guthrie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 01:53
CPC Classifications
D; D06; D06C; D06C15/00; D06C15/08; B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/243; B65H75/2437; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1021; Y10T279/1024; Y10T279/1029

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2289519A Cited
US2289453A Cited
GB687282A Cited
US2711863A Cited
US2583117A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-09 1962-09-08 1963-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-09 1966-09-08 1967-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-09 1970-09-08 1971-03-10 $7700.00 Window Closed / Lapsed

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