US2858715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid driven tuner with manual drive
Assignee: Motors Liquidation Co
•
Filing: 1954-01-08
•
Granted: 1958-11-04
•
Expires: 1974-01-08
Abstract
No abstract record available.
Inventors
- 👤 William R Kearney
- 👤 Bertram A Schwarz
- 👤 Manfred G Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:59
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/18; H03J7/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2207467A
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US2411754A
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US2499573A
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US2511602A
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US2563664A
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US2494235A
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US2512714A
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US2511580A
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US2625632A
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US2612051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |