US2848625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gamma and X-ray dosimeter and dosimetric method
Assignee: Individual
•
Filing: 1953-08-13
•
Granted: 1958-08-19
•
Expires: 1973-08-13
Abstract
No abstract record available.
Inventors
- 👤 George V Taplin
- 👤 Clayton H Douglas
- 👤 Sanford C Sigoloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:56
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/02; G01T1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A DOSIMER FOR COLORIMETRICALLY INDICATING EXPOSURE TO GAMMA AND X-RAY RADIATION COMPRISING A METAL CASE FORMED AS A FLATTENED GENERALLY RECTANGULAR CUBE WITH A RECEPTACLE PORTION AND A COVER PORTION, A FACE PLATE DISPOSED TO COVER SAID RECEPTACLE PORTION AND DEFINING THEREWITH A CAVITY, SAID PLATE BEING PROVIDED WITH A SLOT WHEREBY THE INTERIOR OF SAID CAVITY MAY BE VIEWED, A LEAD LINER OF ABOUT 0.5 MM. THICKNESS FITTING CLOSELY WITHIN THE WALLS FO SAID CAVITY AND HAVING A SLOT FORMED THEREIN CORRESPONDING TO THE SLOT IN SAID FACE PLATE, A CHANNELED RESILIENT MEMBER DISPOSED WITHIN SAID CAVITY, COLORIMETRIC
Claim 2
Dependent Claim
99 words
A DOSIMER FOR COLORIMETRICALLY INDICATING EXPOSURE TO GAMMA AND X-RAY RADIATION COMPRISING A METAL CASE FORMED AS A FLATTENED GENERALLY RECTANGULAR CUBE WITH A RECEPTACLE PORTION AND A COVER PORTION, A FACE PLATE DISPOSED TO COVER SAID RECEPTACLE PORTION AND DEFINING THEREWITH A CAVITY, SAID PLATE BEING PROVIDED WITH A SLOT WHEREBY THE INTERIOR OF SAID CAVITY MAY BE VIEWED, A LEAD LINER OF ABOUT 0.5 MM. THICKNESS FITTING CLOSELY WITHIN THE WALLS FO SAID CAVITY AND HAVING A SLOT FORMED THEREIN CORRESPONDING TO THE SLOT IN SAID FACE PLATE, A CHANNELED RESILIENT MEMBER DISPOSED WITHIN SAID CAVITY, COLORIMETRIC
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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) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |