Patent US3182507A successfully refreshed from Google Patents.
US3182507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal history gage
Assignee: Ilikon Corp
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Filing: 1960-11-30
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Granted: 1965-05-11
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Expires: 1980-11-30
Abstract
No abstract record available.
Inventors
- 👤 Neil E Rogen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:57
CPC Classifications
G; G01; G01K; G01K3/00; G01K3/02; G01K3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A THERMAL HISTORY GAGE FOR PROVIDING AN INDICATION OF THE LENGTH OF TIME AN ENVIROMENT HAS BEEN AT OR ABOVE EACH OF A PLURALITY OF TEMPERATURE, COMPRISING A FRAME, AND A PLURALITY OF ELECTRICALLY CONDUCTIVE SENSING ELEMENTS CARRIED BY THE FRAME, EACH OF SAID SENSING ELEMENTS BEING FABRICATED FROM A MATERIAL WHICH BELOW A THRESHOLD TEMPERATURE IS STABLE AND WHICH AT OR ABOVE A THRESHOLD TEM-
Claim 2
Dependent Claim
66 words
A THERMAL HISTORY GAGE FOR PROVIDING AN INDICATION OF THE LENGTH OF TIME AN ENVIROMENT HAS BEEN AT OR ABOVE EACH OF A PLURALITY OF TEMPERATURE, COMPRISING A FRAME, AND A PLURALITY OF ELECTRICALLY CONDUCTIVE SENSING ELEMENTS CARRIED BY THE FRAME, EACH OF SAID SENSING ELEMENTS BEING FABRICATED FROM A MATERIAL WHICH BELOW A THRESHOLD TEMPERATURE IS STABLE AND WHICH AT OR ABOVE A THRESHOLD TEM-
References Cited (Backward Citations)
US1643582A
Cited
US2271975A
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US2543177A
Cited
US2714054A
Cited
US2782137A
Cited
US2932971A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |