US2843758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine starting circuit
Assignee: Individual
•
Filing: 1955-09-12
•
Granted: 1958-07-15
•
Expires: 1975-09-12
Abstract
No abstract record available.
Inventors
- 👤 Benjamin E Bement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:36
CPC Classifications
F; F02; F02N; F02N11/00; F02N11/08; F02N11/0862; F02N11/0866
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2096378A
Cited
US1192400A
Cited
US1067631A
Cited
US1828620A
Cited
US1773920A
Cited
US2066010A
Cited
US2248244A
Cited
US2344568A
Cited
US2521969A
Cited
US2725488A
Cited
US2692953A
Cited
US2729750A
Cited
US2761978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |