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Patent US2473446A successfully refreshed from Google Patents.
US2473446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna
Assignee: Individual
•
Filing: 1945-11-06
•
Granted: 1949-06-14
•
Expires: 1965-11-06
Abstract
No abstract record available.
Inventors
- 👤 Henry J Riblet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:36
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/12; H01Q3/14; G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/422; H01Q13/00; H01Q13/20; H01Q13/24; H01Q3/02; H01Q3/08; H01Q3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2129711A
Cited
US2206923A
Cited
US2304540A
Cited
US2415089A
Cited
US2419205A
Cited
US2425336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |