US2751503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid powered tuner
Assignee: Motors Liquidation Co
•
Filing: 1952-02-27
•
Granted: 1956-06-19
•
Expires: 1972-02-27
Abstract
No abstract record available.
Inventors
- 👤 Bertram A Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:01
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/18; H03J7/30; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19623
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2487772A
Cited
US2499573A
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US2541018A
Cited
US2511580A
Cited
US2652494A
Cited
US2622202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |