Patent US2658993A successfully refreshed from Google Patents.
US2658993A
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US
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Loran transmitter
Assignee: RCA Corp
•
Filing: 1946-07-10
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Granted: 1953-11-10
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Expires: 1966-07-10
Abstract
No abstract record available.
Inventors
- 👤 Stuart W Seeley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:10
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/08; G01S1/20; G01S1/24; G01S1/68; G01S1/685; H; H03; H03K; H03K5/00; H03K5/01; H03K5/02; H03K7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2207796A
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US2266401A
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US2401807A
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US2280707A
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US2487768A
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US2321291A
Cited
US2419193A
Cited
US2459809A
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US2467308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |