US2995740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar system
Assignee: Individual
•
Filing: 1957-08-30
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Granted: 1961-08-08
•
Expires: 1977-08-30
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Shreckengost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:46
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/14; F41G3/16; B; B64; B64C; B64C39/00; B64C39/02; B64C39/022; H; H01; H01Q; H01Q1/00; H01Q1/27; H01Q1/28; H04; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/185
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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |