US2500795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined transmitter-receiver for radio communication systems
Assignee: Raytheon Co
•
Filing: 1946-11-02
•
Granted: 1950-03-14
•
Expires: 1966-11-02
Abstract
No abstract record available.
Inventors
- 👤 George G Bruck
- 👤 Robert M Sprague
- 👤 Malcolm C Vosburgh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:22
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/54; H04B1/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21955E
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US2401717A
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US2235010A
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US2364371A
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US2424156A
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US2416790A
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US2436828A
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US2445896A
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US2412935A
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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) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |