Patent US4253583A successfully refreshed from Google Patents.
Patent US3486595A successfully refreshed from Google Patents.
US3486595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engines
Assignee: Rootes Motors Ltd
•
Filing: 1968-05-16
•
Granted: 1969-12-30
•
Expires: 1988-05-16
Abstract
No abstract record available.
Inventors
- 👤 William Tom Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:27
CPC Classifications
F; F02; F02P; F02P5/00; F02P5/04; F02P5/05; F02P5/10; F02P5/103; F02P5/106; F02D; F02D37/00; F02D37/02; F02D9/00; F02M; F02M3/00; F02M3/06; F02M3/062; F02M3/07; F02M3/075; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0233; F02D2700/0235
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |