US2016669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition apparatus
Assignee: Motors Liquidation Co
•
Filing: 1932-02-11
•
Granted: 1935-10-08
•
Expires: 1952-02-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Hall Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:36
CPC Classifications
F; F02; F02P; F02P7/00; F02P7/02; F02P7/021; F02P7/026; F02P7/028; F02P5/00; F02P5/04; F02P5/05; F02P5/06; Y; Y10; Y10T; Y10T403/00; Y10T403/53; Y10T403/535
Claims Analysis
Total Claims: 0
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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) | 1938-10-07 | 1939-04-08 | 1939-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-07 | 1943-04-08 | 1943-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-07 | 1947-04-08 | 1947-10-08 | $7700.00 | Window Closed / Lapsed |