US3096650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A. c. biased thermistor bolometers
Assignee: Barnes Engineering Co
•
Filing: 1961-08-29
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Granted: 1963-07-09
•
Expires: 1981-08-29
Abstract
No abstract record available.
Inventors
- 👤 Mark G Lowenstein
- 👤 Robert W Astheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:30
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/10; G01J5/20; G01J5/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A THERMISTOR BOLOMETER COMPRISING IN COMBINATION AT LEAST TWO FLAKES CONNECTED IN SERIES AT LEAST ONE FLAKE BEING AN ACTIVE FLAKE AND THE SECOND A REFERENCE FLAKE, A SOURCE OF A.C. BIAS FOR THE FLAKES, A DIFFERENTIAL OUTPUT BETWEEN THE FLAKES AND MEANS FOR APPLYING A D.C. HEATING VOLTAGE TO ONE FLAKE ONLY.
Claim 2
Dependent Claim
53 words
A THERMISTOR BOLOMETER COMPRISING IN COMBINATION AT LEAST TWO FLAKES CONNECTED IN SERIES AT LEAST ONE FLAKE BEING AN ACTIVE FLAKE AND THE SECOND A REFERENCE FLAKE, A SOURCE OF A.C. BIAS FOR THE FLAKES, A DIFFERENTIAL OUTPUT BETWEEN THE FLAKES AND MEANS FOR APPLYING A D.C. HEATING VOLTAGE TO ONE FLAKE ONLY.
References Cited (Backward Citations)
US2650496A
Cited
US2624012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |