Patent US3413780A successfully refreshed from Google Patents.
US3413780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cleaner and silencer assembly
Assignee: Motors Liquidation Co
•
Filing: 1967-05-10
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Granted: 1968-12-03
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Expires: 1987-05-10
Abstract
No abstract record available.
Inventors
- 👤 Norman J Amlott
- 👤 James D Karn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:29
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/14; F02M35/02; F02M35/024; F02M35/02416; F02M35/02425; F02M35/02475; F02M35/02483
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB489109A
Cited
US2886129A
Cited
US2886130A
Cited
GB807497A
Cited
US3039254A
Cited
US3308608A
Cited
GB926698A
Cited
US3353341A
Cited
GB1013558A
Cited
US3355863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |