US2480155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna system
Assignee: RCA Corp
•
Filing: 1945-02-28
•
Granted: 1949-08-30
•
Expires: 1965-02-28
Abstract
No abstract record available.
Inventors
- 👤 Robert W Masters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:08
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/28; H01Q9/285
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1960006A
Cited
US2153298A
Cited
US2160053A
Cited
US2321454A
Cited
US2313513A
Cited
US2433183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |