US2271383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starting means for internal combustion engines
Assignee: Napier Turbochargers Ltd
•
Filing: 1941-06-26
•
Granted: 1942-01-27
•
Expires: 1961-06-26
Abstract
No abstract record available.
Inventors
- 👤 Wynne Charles Horace Lionel
- 👤 Tryon Henry Christopher
- 👤 Ramsay Frank Raymond Faber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
F; F02; F02N; F02N9/00; F02N9/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-01-26 | 1945-07-28 | 1946-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-26 | 1949-07-28 | 1950-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-26 | 1953-07-28 | 1954-01-27 | $7700.00 | Window Closed / Lapsed |