Patent US3353341A successfully refreshed from Google Patents.
US3353341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air filters for internal combustion engines
Assignee: Tecalemit Engineering Ltd
•
Filing: 1966-03-29
•
Granted: 1967-11-21
•
Expires: 1986-03-29
Abstract
No abstract record available.
Inventors
- 👤 Stripp Peter William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:17
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02; F02M35/0201; F02M35/0202; F02M35/0203; F02M35/024; F02M35/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3124440A
Cited
US1958735A
Cited
DE681811C
Cited
US2441365A
Cited
US2521984A
Cited
US2563242A
Cited
US2689551A
Cited
US2886129A
Cited
US2888095A
Cited
US3154393A
Cited
US3001246A
Cited
US3082587A
Cited
DE1097282B
Cited
US2999562A
Cited
US3091487A
Cited
US3149553A
Cited
FR1324694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |