Patent US3102455A successfully refreshed from Google Patents.
Patent US3142755A successfully refreshed from Google Patents.
US3142755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of determining temperature by means of a phosphorescent substance, and measuring apparatus for the employment of said method
Assignee: Individual
•
Filing: 1960-12-13
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Granted: 1964-07-28
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Expires: 1980-12-13
Abstract
No abstract record available.
Inventors
- 👤 Leroux Jean-Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:32
CPC Classifications
G; G01; G01K; G01K11/00; G01K11/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PROCESS FOR THE PRECISE DETERMINATION OF TEMPERATURES, COMPRISING THE STEPS OF EXPOSING TO THE TEMPERATURE TO BE MEASURED A PHOSPHORESCENT MATERIAL, CONTINUOUSLY IRRADIATING SAID MATERIAL WITH EXCITING ENERGY WHOSE INTENSITY IS A VARYING PERIODIC FUNCTION OF TIME, SENSING THE VARIATIONS IN THE INTENSITY OF THE EXCITED PHOSPHORESCENCE, AND CALCULATING THE TEMPERATURE OF THE MATERIAL FROM THE RELATIONSHIP OF THE SENSED VARIATIONS TO THE PERIODIC FUNCTION GOVERNING SAID IRRADIATION.
Claim 2
Dependent Claim
69 words
A PROCESS FOR THE PRECISE DETERMINATION OF TEMPERATURES, COMPRISING THE STEPS OF EXPOSING TO THE TEMPERATURE TO BE MEASURED A PHOSPHORESCENT MATERIAL, CONTINUOUSLY IRRADIATING SAID MATERIAL WITH EXCITING ENERGY WHOSE INTENSITY IS A VARYING PERIODIC FUNCTION OF TIME, SENSING THE VARIATIONS IN THE INTENSITY OF THE EXCITED PHOSPHORESCENCE, AND CALCULATING THE TEMPERATURE OF THE MATERIAL FROM THE RELATIONSHIP OF THE SENSED VARIATIONS TO THE PERIODIC FUNCTION GOVERNING SAID IRRADIATION.
References Cited (Backward Citations)
US2551650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |