Patent US2862572A successfully refreshed from Google Patents.
US2862572A
Expired / Lapsed
US
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Cleaner silencer assembly
Assignee: Motors Liquidation Co
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Filing: 1955-10-04
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Granted: 1958-12-02
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Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 Norman J Amlott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:53
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/14; F02M35/12; F02M35/1205; F02M35/1227; F02M35/1244
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2391933A
Cited
US1521400A
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GB465365A
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US2322895A
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US2553326A
Cited
US2626009A
Cited
US2690331A
Cited
US2748891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |