US2480186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna
Assignee: United States, WAR, Secretary of
•
Filing: 1945-10-10
•
Granted: 1949-08-30
•
Expires: 1965-10-10
Abstract
No abstract record available.
Inventors
- 👤 Edgar N Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:04
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/27; H01Q1/28; H01Q5/00; H01Q5/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2168860A
Cited
US2184729A
Cited
US2251997A
Cited
US2267951A
Cited
US2251530A
Cited
US2292791A
Cited
US2417052A
Cited
US2426633A
Cited
US2393218A
Cited
US2413085A
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 |