US2530748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio repeating system
Assignee: Bendix Aviation Corp
•
Filing: 1945-08-17
•
Granted: 1950-11-21
•
Expires: 1965-08-17
Abstract
No abstract record available.
Inventors
- 👤 Henry T Winchel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:56
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/155; H04B7/15528; H04B7/1555
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1624966A
Cited
US1918262A
Cited
US2140730A
Cited
US2155821A
Cited
US2183741A
Cited
US2186980A
Cited
US2292222A
Cited
US2487513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |