Patent US3230773A successfully refreshed from Google Patents.
US3230773A
Expired / Lapsed
US
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Microscope cold stage
Assignee: ARTHUR H THOMAS CO
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Filing: 1962-04-20
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Granted: 1966-01-25
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Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
- 👤 Clayton E Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:31
CPC Classifications
H; H10; H10N; H10N10/00; G; G01; G01N; G01N25/00; G01N25/02; G01N25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A MICROSCOPE COLD STAGE COMPRISING A MAIN BODY OF THERMALLY INSULATED MATERIAL HAVING A CHAMBER OF SMALL VOLUME IN RELATION TO A TEST SPECIMEN THEREIN, A THERMALLY CONDUCTING PLATE ON ONE WALL OF THE CHAMBER, SAID PLATE HAVING A SUBSTANTIALLY SMALLER SURFACE AREA THAN SAID BODY, MEANS THERMALLY ISOLATING THE PLATE FROM SAID BODY, THERMOELECTRIC MEANS FOR CONTROLLING THE TEMPERATURE OF SAID PLATE, A HEAT SINK, SAID THERMOELECTRIC MEANS BEING COUPLED TO SAID HEAT SINK AND SAID PLATE, AND A TEMPERATURE SENSING MEANS IN THERMAL CONDUCTIVE RELATION WITH SAID PLATE FOR MEASURING THE TEMPERATURE OF SAID PLATE.
Claim 2
Dependent Claim
97 words
A MICROSCOPE COLD STAGE COMPRISING A MAIN BODY OF THERMALLY INSULATED MATERIAL HAVING A CHAMBER OF SMALL VOLUME IN RELATION TO A TEST SPECIMEN THEREIN, A THERMALLY CONDUCTING PLATE ON ONE WALL OF THE CHAMBER, SAID PLATE HAVING A SUBSTANTIALLY SMALLER SURFACE AREA THAN SAID BODY, MEANS THERMALLY ISOLATING THE PLATE FROM SAID BODY, THERMOELECTRIC MEANS FOR CONTROLLING THE TEMPERATURE OF SAID PLATE, A HEAT SINK, SAID THERMOELECTRIC MEANS BEING COUPLED TO SAID HEAT SINK AND SAID PLATE, AND A TEMPERATURE SENSING MEANS IN THERMAL CONDUCTIVE RELATION WITH SAID PLATE FOR MEASURING THE TEMPERATURE OF SAID PLATE.
References Cited (Backward Citations)
US2232354A
Cited
US3017444A
Cited
US3018631A
Cited
US3017522A
Cited
GB884570A
Cited
US3076339A
Cited
GB881575A
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |