US2430353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna
Assignee: RCA Corp
•
Filing: 1945-02-21
•
Granted: 1947-11-04
•
Expires: 1965-02-21
Abstract
No abstract record available.
Inventors
- 👤 Robert W Masters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:56
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/10; H01Q19/12; H01Q19/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1158124A
Cited
GB344620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-03 | 1951-05-05 | 1951-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-03 | 1955-05-05 | 1955-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-03 | 1959-05-05 | 1959-11-04 | $7700.00 | Window Closed / Lapsed |