US2512796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition coil
Assignee: Motors Liquidation Co
•
Filing: 1946-06-13
•
Granted: 1950-06-27
•
Expires: 1966-06-13
Abstract
No abstract record available.
Inventors
- 👤 Herman L Hartzell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:56
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/12; H01F2038/122; H01F2038/125; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1799011A
Cited
US1873298A
Cited
US1882460A
Cited
GB381117A
Cited
FR747461A
Cited
US1974588A
Cited
US2327784A
Cited
US2298441A
Cited
US2416148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |