US3423756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scanning antenna feed
Assignee: RCA Corp
•
Filing: 1964-09-10
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Granted: 1969-01-21
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Expires: 1984-09-10
Abstract
No abstract record available.
Inventors
- 👤 Peter Foldes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:21
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/02; H01Q13/025; G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/422; H01P; H01P1/00; H01P1/20; H01P1/215; H01P1/217; H01Q3/00; H01Q3/26; H01Q3/2664
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |