US2725484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting penetrative radiation
Assignee: Texaco Development Corp
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Filing: 1951-12-05
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Granted: 1955-11-29
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Expires: 1971-12-05
Abstract
No abstract record available.
Inventors
- 👤 Theresa M Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:09
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A LUMINOPHOR ELEMENT FOR DETECTING PENERATIVE RADIATION COMPRISING A UNITARY STRUCTURE CONSISTING OF A PLURALITY OF JUXTAPOSED LAMINAE, EACH LAMINA INCLUDING A LIGHTTRANSPARENT MEMBER CARRING ON AT LEAST ONE OF ITS SURFACES A FILM OF A NORMALLY OPAQUE LUMINOPHOR SUBSTANCE OF SUBSTANTIALLY MONO-MOLECULAR THICKNESS, WHEREBY SAID SUBSTANCE IS RENDERED LIGHT-TRANSPARENT, THE NUMBER OF SAID LUMINAE BEING SUFFICIENT, FOR RADIATION PASSING THERETHROUGH IN SUCESSION, OF AFFORD ABSORPTION OF A SUBSTANTIAL PORTION OF THE RADIATION.
Claim 2
Dependent Claim
73 words
A LUMINOPHOR ELEMENT FOR DETECTING PENERATIVE RADIATION COMPRISING A UNITARY STRUCTURE CONSISTING OF A PLURALITY OF JUXTAPOSED LAMINAE, EACH LAMINA INCLUDING A LIGHTTRANSPARENT MEMBER CARRING ON AT LEAST ONE OF ITS SURFACES A FILM OF A NORMALLY OPAQUE LUMINOPHOR SUBSTANCE OF SUBSTANTIALLY MONO-MOLECULAR THICKNESS, WHEREBY SAID SUBSTANCE IS RENDERED LIGHT-TRANSPARENT, THE NUMBER OF SAID LUMINAE BEING SUFFICIENT, FOR RADIATION PASSING THERETHROUGH IN SUCESSION, OF AFFORD ABSORPTION OF A SUBSTANTIAL PORTION OF THE RADIATION.
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) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |