US2795291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air filter
Assignee: Motors Liquidation Co
•
Filing: 1954-07-28
•
Granted: 1957-06-11
•
Expires: 1974-07-28
Abstract
No abstract record available.
Inventors
- 👤 Earl R Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:40
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02; F02M35/08; F02M35/084
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE241419C
Cited
DE650379C
Cited
US2364877A
Cited
GB148799A
Cited
US1837836A
Cited
GB511455A
Cited
DE914096C
Cited
US2559428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |