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US2860722A Expired / Lapsed US ⏱️ 0.0 years remaining

Silencer

Assignee: Motors Liquidation Co
•
Filing: 1954-08-23
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Granted: 1958-11-18
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Expires: 1974-08-23
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Abstract

No abstract record available.

Inventors

  • 👤 George W Gerstung

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 18:56
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1872; F01N13/1877; F01N1/00; F01N1/08; F01N1/083; F01N2450/00; F01N2450/22; F01N2470/00; F01N2470/06; F01N2470/10; F01N2530/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US861550A Cited
FR453546A Cited
US1461039A Cited
US1695375A Cited
GB416247A Cited
US2484826A Cited
GB620862A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-11-17 1962-05-19 1962-11-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-11-17 1966-05-19 1966-11-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-11-17 1970-05-19 1970-11-18 $7700.00 Window Closed / Lapsed

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