US3208282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature measuring
Assignee: Variperm Co
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Filing: 1962-11-01
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Granted: 1965-09-28
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Expires: 1982-11-01
Abstract
No abstract record available.
Inventors
- 👤 Florent H Bailly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:53
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/12; G01K11/00; G01K11/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
A METHOD FOR MEASURING TEMPERATURE IN A WELL WITH A PLURALITY OF MINERAL SAMPLES, AT LEAST ONE OF THE SAMPLES HAVING THE CHARACTERISTIC OF UNDERGOING A THERMAL REACTION AT A FIRST TEMPERATURE AND BELOW THAT IN THE WELL, AND AT LEAST ONE OTHER OF SAMPLES HAVING THE CHARACTERISTIC OF UNDERGOING A THERMAL REACTION AT SECOND TEMPERATURE HIGHER THAN THE FIRST, THE METHOD COMPRISING DISPOSING THE SAMPLES IN RECESS IN A POROUS CERAMIC BODY IN THE WELL FOR A SUFFICIENT LENGTH OF TIME TO PERMIT THE TEMPERATURE OF THE SAMPLES TO RISE TO A VALUE BETWEEN THE SAID FIRST AND SECOND TEMPERATURES, REMOVING THE SAMPLES FROM THE WELL
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |