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US2798935A Expired / Lapsed US ⏱️ 0.0 years remaining

Contact feed mechanism

Assignee: Federal Electric Products Co
•
Filing: 1952-07-17
•
Granted: 1957-07-09
•
Expires: 1972-07-17
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Abstract

No abstract record available.

Inventors

  • 👤 Calvin P Kipp

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 16:48
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/04; H01H11/041; H01H11/043; H05; H05K; H05K13/00; H05K13/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US447144A Cited
US518340A Cited
US1517971A Cited
US1699091A Cited
US2078694A Cited
US2181290A Cited
US2251158A Cited
US2261134A Cited
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US2604577A Cited
US2558633A Cited
US2519655A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-08 1961-01-07 1961-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-08 1965-01-07 1965-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-08 1969-01-07 1969-07-09 $7700.00 Window Closed / Lapsed

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