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US3107529A
Expired / Lapsed
US
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Thermoscope
Assignee: International Business Machines Corp
•
Filing: 1960-12-23
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Granted: 1963-10-22
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Expires: 1980-12-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard T Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:43
CPC Classifications
G; G01; G01K; G01K11/00; G01K11/02; G01N; G01N25/00; G01N25/02; G01N25/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A TEMPERATURE RESPONSIVE DEVICE COMPARISING A LIGHT SOURCE ADAPTED TO ENERGIZE A LIGHT SENSITIVE CALL, A CHAMBER DISPOSED IN THE LIGHT PATH BETWEEN SAID SOURCE AND CELL HAVING ONE WALL MADE TRANSLUCENT BY ROUGHENING TO LIMIT THE LIGHT SUCH THAT SAID CELL IS NOT ENERGIZED AND MEANS EFFECTIVE OVER A PRESELECTED TEMPERATURE RANGE FOR RENDERING SAID WALL TRANSPARENT TO PERMIT OPERATION OF SAID CELL AFTER WHICH THE TRANSLUCENT CONDITION OF SAID WALL IS RESTORED BY VAPORIZING SAID MEANS.
Claim 2
Dependent Claim
78 words
A TEMPERATURE RESPONSIVE DEVICE COMPARISING A LIGHT SOURCE ADAPTED TO ENERGIZE A LIGHT SENSITIVE CALL, A CHAMBER DISPOSED IN THE LIGHT PATH BETWEEN SAID SOURCE AND CELL HAVING ONE WALL MADE TRANSLUCENT BY ROUGHENING TO LIMIT THE LIGHT SUCH THAT SAID CELL IS NOT ENERGIZED AND MEANS EFFECTIVE OVER A PRESELECTED TEMPERATURE RANGE FOR RENDERING SAID WALL TRANSPARENT TO PERMIT OPERATION OF SAID CELL AFTER WHICH THE TRANSLUCENT CONDITION OF SAID WALL IS RESTORED BY VAPORIZING SAID MEANS.
References Cited (Backward Citations)
US2197190A
Cited
US2645461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |