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Patent US3109097A successfully refreshed from Google Patents.
US3109097A
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Immersed thermistor bolometers with radiation impervious mask on back of active area
Assignee: Barnes Engineering Co
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Filing: 1961-09-28
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Granted: 1963-10-29
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Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Waard Russell D De
- 👤 Donald W Fisher
- 👤 Hvizdak Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:14
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/10; G01J5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A THERMISTOR BOLOMETER COMPRISING IN COMBINATION, (A) AT LEAST ONE THERMISTOR FLAKE HAVING AN ACTIVE AREA, (B) A HEAT SINK IN THE FORM OF A LENS ON WHICH THE THERMISTOR IS IMMERSED, AND (C) A RADIATION IMPERVIOUS MASK ON THE BACK SURFACE OF THE LENS POSITIONED TO INTERCEPT RADIATION WHICH WOULD OTHERWISE STRIKE THE SURFACE OF THE ACTIVE AREA OF THE THERMISTOR.
Claim 2
Dependent Claim
62 words
A THERMISTOR BOLOMETER COMPRISING IN COMBINATION, (A) AT LEAST ONE THERMISTOR FLAKE HAVING AN ACTIVE AREA, (B) A HEAT SINK IN THE FORM OF A LENS ON WHICH THE THERMISTOR IS IMMERSED, AND (C) A RADIATION IMPERVIOUS MASK ON THE BACK SURFACE OF THE LENS POSITIONED TO INTERCEPT RADIATION WHICH WOULD OTHERWISE STRIKE THE SURFACE OF THE ACTIVE AREA OF THE THERMISTOR.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |