US2887578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic range search-range integrator circuit for automatic tracking radar range units and other applications
Assignee: STAVID ENGINEERING Inc
•
Filing: 1956-03-16
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Granted: 1959-05-19
•
Expires: 1976-03-16
Abstract
No abstract record available.
Inventors
- 👤 Bertram H Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:28
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; G01S13/70; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184; G06G7/186; H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12; H03K4/20; H03K4/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735007A
Cited
US2775694A
Cited
US2651719A
Cited
GB588417A
Cited
US2701841A
Cited
US2573970A
Cited
US2695962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |