US2482162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Directive microwave antenna
Assignee: AT&T Inc
•
Filing: 1943-06-05
•
Granted: 1949-09-20
•
Expires: 1963-06-05
Abstract
No abstract record available.
Inventors
- 👤 Carl B H Feldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:57
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/24; G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2206923A
Cited
US2281274A
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US2241119A
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US2256090A
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FR833529A
Cited
US2349942A
Cited
US2402622A
Cited
US2408435A
Cited
US2408425A
Cited
US2414791A
Cited
US2405242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |