US2857783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable position radar scanning switch
Assignee: Individual
•
Filing: 1956-02-16
•
Granted: 1958-10-28
•
Expires: 1976-02-16
Abstract
No abstract record available.
Inventors
- 👤 Jr William A Ranck
- 👤 Thomas N Massey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:29
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/36; H01H21/50; G; G01; G01S; G01S1/00; G01S1/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20576; Y10T74/20582; Y10T74/2063; Y10T74/20636; Y10T74/2066; Y10T74/2093
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) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |