Patent US5335079A successfully refreshed from Google Patents.
Patent US3208213A successfully refreshed from Google Patents.
US3208213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supercharger for an internal combustion engine
Assignee: BRITISH SHIP RES ASS
•
Filing: 1964-05-18
•
Granted: 1965-09-28
•
Expires: 1984-05-18
Abstract
No abstract record available.
Inventors
- 👤 Alexander E Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:09
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/04; F02C6/10; F02C6/12; F02B; F02B37/00; F02B37/007; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0246; F02D2700/0248; F02D2700/0251; F02D2700/0253; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2296268A
Cited
US2321943A
Cited
US2359615A
Cited
US2375006A
Cited
US2542539A
Cited
US2773348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |