US3141973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoluminescent dosimeter
Assignee: Metcom Inc
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Filing: 1962-09-11
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Granted: 1964-07-21
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Expires: 1982-09-11
Abstract
No abstract record available.
Inventors
- 👤 Heins Harold
- 👤 Cornelius J Buckley
- 👤 Richard J Broderick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:01
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/02; G01T1/10; G01T1/11; C; C09; C09K; C09K11/00; C09K11/08; C09K11/61; C09K11/615; C09K11/616
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN IMPROVED RADIATION DOSIMETER COMPRISING A QUANTITY OF THERMOLUMINESCENT PHOSPHOR POWDER AND A CONTAINER HAVING A TRANSPARENT WALL, THE PHOSPHOR POWDER BEING COMPRESSED AND SEALED WITHIN THE CONTAINER IN AN INERT ENVIRONMENT, WHEREBY THE PHOSPHOR POWDER IS RESTRAINED FROM ALL INTERNAL MOTION RELATIVE TO THE CONTAINER WALLS, THEREWITH ELIMINATING TRIBOLUMINESCENCE OF THE PHOSPHOR.
Claim 2
Dependent Claim
53 words
AN IMPROVED RADIATION DOSIMETER COMPRISING A QUANTITY OF THERMOLUMINESCENT PHOSPHOR POWDER AND A CONTAINER HAVING A TRANSPARENT WALL, THE PHOSPHOR POWDER BEING COMPRESSED AND SEALED WITHIN THE CONTAINER IN AN INERT ENVIRONMENT, WHEREBY THE PHOSPHOR POWDER IS RESTRAINED FROM ALL INTERNAL MOTION RELATIVE TO THE CONTAINER WALLS, THEREWITH ELIMINATING TRIBOLUMINESCENCE OF THE PHOSPHOR.
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |