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US1928116A Expired / Lapsed US ⏱️ 0.0 years remaining

Cylinder head gasket for internal combustion engines

Assignee: Motors Liquidation Co
•
Filing: 1932-04-02
•
Granted: 1933-09-26
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Expires: 1952-04-02
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Abstract

No abstract record available.

Inventors

  • 👤 Stephens Frederick Roy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 10:42
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/12; F16J15/121; F16J15/122; F16J15/123; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24215; Y10T428/31504; Y10T428/31678

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1936-09-25 1937-03-27 1937-09-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1940-09-25 1941-03-27 1941-09-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1944-09-25 1945-03-27 1945-09-26 $7700.00 Window Closed / Lapsed

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