US2760103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple mode excitation apparatus
Assignee: Collins Radio Co
•
Filing: 1950-12-22
•
Granted: 1956-08-21
•
Expires: 1970-12-22
Abstract
No abstract record available.
Inventors
- 👤 Winfield W Salisbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:33
CPC Classifications
H; H05; H05H; H05H9/00; H05H9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511860A
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US2206668A
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US2222902A
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US2323613A
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US2368329A
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US2289952A
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US2373837A
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US2398162A
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US2464349A
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US2653271A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |