US3102769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar display scope automatic recording system
Assignee: Individual
•
Filing: 1960-12-02
•
Granted: 1963-09-03
•
Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 James B Hickey
- 👤 John J Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:38
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A SYSTEM FOR OPERATING THE SHUTTER OF A RADAR DISPLAY SCOPE CAMERA IN SYNCHRONISM WITH THE RADAR SCREEN TRACE FREQUENCY COMPRISING ILLUMINATION INTENSITY-RESPONSIVE TRACE FREQUENCY SENSING MEANS, SHUTTER OPERATING MEANS, RELAY MEANS FOR ACTUATING SAID SHUTTER OPERATING
Claim 2
Independent Claim
37 words
A SYSTEM FOR OPERATING THE SHUTTER OF A RADAR DISPLAY SCOPE CAMERA IN SYNCHRONISM WITH THE RADAR SCREEN TRACE FREQUENCY COMPRISING ILLUMINATION INTENSITY-RESPONSIVE TRACE FREQUENCY SENSING MEANS, SHUTTER OPERATING MEANS, RELAY MEANS FOR ACTUATING SAID SHUTTER OPERATING
References Cited (Backward Citations)
US2680148A
Cited
US2909772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |