US2475474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio communication system
Assignee: Raytheon Co
•
Filing: 1946-02-27
•
Granted: 1949-07-05
•
Expires: 1966-02-27
Abstract
No abstract record available.
Inventors
- 👤 George G Bruck
- 👤 Philip E Volz
- 👤 Paul J Pontecorvo
- 👤 Malcolm C Vosburgh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:45
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/155; H04B7/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1343307A
Cited
US1626724A
Cited
US1921168A
Cited
US2317547A
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US2333719A
Cited
US2408791A
Cited
US2408826A
Cited
US2379395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |