Patent US2943699A successfully refreshed from Google Patents.
US2943699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cleaner and silencer assembly
Assignee: Motors Liquidation Co
•
Filing: 1957-02-13
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Granted: 1960-07-05
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Expires: 1977-02-13
Abstract
No abstract record available.
Inventors
- 👤 William F Thornburgh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:20
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/14; F02M35/02; F02M35/024; F02M35/02475; F02M35/02483; F02M35/12; F02M35/1205; F02M35/1227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1064412A
Cited
US2064207A
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US2037164A
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US2385814A
Cited
US2632526A
Cited
US2705546A
Cited
US2732031A
Cited
GB762903A
Cited
FR1109454A
Cited
US2822885A
Cited
US2871976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |