US2996946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical device including gating circuits, adjustable in time and duration
Assignee: Individual
•
Filing: 1956-01-20
•
Granted: 1961-08-22
•
Expires: 1976-01-20
Abstract
No abstract record available.
Inventors
- 👤 Irving R Brendholdt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:02
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2409030A
Cited
US2402916A
Cited
US2432454A
Cited
US2428058A
Cited
US2502454A
Cited
US2521016A
Cited
US2648836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |