US3263484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential microcalorimeter
Assignee: Applied Biosystems Inc
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Filing: 1962-04-04
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Granted: 1966-08-02
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Expires: 1982-04-04
Abstract
No abstract record available.
Inventors
- 👤 Emmett S Watson
- 👤 Michael J O'neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:54
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
152 words
APPARATUS FOR PERFORMING AN ANALYSIS OF A SAMPLE MATERIAL WHICH COMPRISES: A REFERENCE MATERIAL; MEANS FOR VARYING THE ENVIRONMENT OF SAID SAMPLE MATERIAL; MEANS FOR MEASURING THE DIFFERENCE IN TEMPERATURE BETWEEN SAID SAMPLE MATERIAL AND SAID REFERENCE MATERIAL; AN EXTERNAL SOURCE OF ENERGY; MEANS FOR VARYING THE RELATIVE FLOW OF THERMAL ENERGY BOTH BETWEEN SAID SAMPLE MATERIAL RELATIVE TO SAID EXTERNAL SOURCE AND BETWEEN SAID REFERENCE MATERIAL RELATIVE TO SAID EXTERNAL SOURCE IN RESPONSE TO SAID DIFFERENCE IN TEMPERATURE IN SUCH MANNER AS TO EQUALIZE THE TEMPERATURE OF SAID SAMPLE AND SAID REFERENCE MATERIAL; MEANS FOR INDEPENDENTLY VARYING EQUALLY IN ADDITIONAL HEAT FLOW TO BOTH SAID SAMPLE AND REFERENCE MATERIAL IN SUCH MANNER AS TO CAUSE THEM BOTH TO ATTAIN THE SAME DESIRED TEMPERATURE; AND MEANS FOR MEASURING THE DIFFERENCE IN SAID FIRST-MENTIONED RELATIVE FLOW OF THERMAL ENERGY BETWEEN THAT SUPPLIED TO SAID SAMPLE MATERIAL AND THAT SUPPLIED TO SAID REFERENCE MATERIAL.
References Cited (Backward Citations)
US2986028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |