US3148276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of increasing the response of photographic emulsions to radiation
Assignee: Revvity Inc
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Filing: 1960-10-17
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Granted: 1964-09-08
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Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 Rothstein Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:23
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G01; G01T; G01T1/00; G01T1/02; G01T1/08; G03C; G03C1/00; G03C1/005; G03C1/025; G03C5/00; G03C5/02; G03C2200/00; G03C2200/09
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
THE METHOD OF INCREASING THE RESPONSE OF A MATERIAL SENSITIVE TO INCIDENT X-RAY RADIATION, SAID MATERIAL HAVING AN ELECTRIC FIELD-TIME CHARACTERISTIC DEFINING THE RELATIONSHIP BETWEEN VERY INTENSE ELECTRIC FIELD STRENGTHS, EBB, AND THE CORRESPONDING MAXIMUM TIMES, TBB, DURING WHICH THEY MAY BE APPLIED TO SAID MATERIAL WITHOUT DIELECTRIC BREAKDOWN THEREOF OCCURRING, COMPRISING: CONVERTING A PORTION OF SAID X-RAY RADIATION TO LIGHT; EXPOSING SAID MATERIAL TO SAID LIGHT AND SAID X-RAY RADIATION; IMPRESSING UPON SAID MATERIAL A VERY INTENSE ELECTRIC FIELD EBB WHILE SAID MATERIAL IS RESPONDING TO SAID LIGHT AND SAID RADIATION; AND LIMITING THE TIME DURATION OF THE ELECTRIC FIELD EBB TO A TIME NOT GREATER THAN ITS CORRESPONDING TBB.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |