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US2845914A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve lifter cylinder and method of making same

Assignee: Motors Liquidation Co
•
Filing: 1955-07-20
•
Granted: 1958-08-05
•
Expires: 1975-07-20
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred H Cobo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:51
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; F01L1/24; F01L1/245; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49247

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2178732A Cited
US2652038A Cited
US2689554A Cited
US2680901A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-08-04 1962-02-03 1962-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-08-04 1966-02-03 1966-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-08-04 1970-02-03 1970-08-05 $7700.00 Window Closed / Lapsed

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