Patent US3247378A successfully refreshed from Google Patents.
US3247378A
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Radiation detection device with an intensifier screen
Assignee: POLAROLD Corp
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Filing: 1962-05-25
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Granted: 1966-04-19
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Expires: 1982-05-25
Abstract
No abstract record available.
Inventors
- 👤 Herman E Erikson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:10
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/02; G01T1/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
A RADIATION DETECTING DEVICE COMPRISING MEANS OPAQUE TO ACTINIC LIGHT DEFINING A CHAMBER OPEN AT ONE END; MEANS OPPOSITE SAID OPEN END FOR ADMITTING RADIATION FROM A RADIOACTIVE SOURCE INTO SAID CHAMBER; MEANS WITHIN SAID CHAMBER FOR EMITTING VISIBLE LIGHT WHEN EXCITED BY SAID RADIATION, SAID VISIBLE LIGHT-EMITTING MEANS BEING POSITIONED WITHIN SAID CHAMBER BETWEEN SAID RADIATION-ADMITTING MEANS AND SAID OPEN END; AND VISIBLE LIGHT FILTER MEANS POSITIONED BETWEEN SAID VISIBLE LIGHT-EMITTING MEANS AND SAID OPEN END, SAID FILTER MEANS SO CO-OPERAT-
References Cited (Backward Citations)
US2205853A
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US2590080A
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US2585551A
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US2623181A
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US2624011A
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US2721274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |