Patent US3184753A successfully refreshed from Google Patents.
US3184753A
Expired / Lapsed
US
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Apparatus for exposing photosensitive material
Assignee: Bunker Ramo Corp
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Filing: 1962-11-05
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Granted: 1965-05-18
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Expires: 1982-11-05
Abstract
No abstract record available.
Inventors
- 👤 Robert A Koster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/12; G06K15/1233; G06K15/1295
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
APPARATUS COMPRISING; MEANS FOR INTERMITTENTLY EXCITING, A FIRST PHOTO-LUMINESCENT MATERIAL, HAVING A FIRST EMISSION SPECTRUM AND AND RELATIVELY LONG PERSISTENCE CHARACTERISTICS FOR PROVIDING A FIRST LIGHT IMAGE SUBSTANTIALLY CONTINUOUSLY IN RESPONSE THERETO; PHOTOEMISSIVE MEANS ARRANGED TO RECEIVE LIGHT FROM SAID FIRST LIGHT IMAGE AND RESPONSIVE THERETO TO PROVIDE A SIMILAR ELECTRON IMAGE; AND A SECOND PHOTOLUMINESCENT MATERIAL HAVING A SECOND EMISSION SPECTRUM AND RELATIVELY SHORT PERSISTENCE
Claim 2
Dependent Claim
66 words
APPARATUS COMPRISING; MEANS FOR INTERMITTENTLY EXCITING, A FIRST PHOTO-LUMINESCENT MATERIAL, HAVING A FIRST EMISSION SPECTRUM AND AND RELATIVELY LONG PERSISTENCE CHARACTERISTICS FOR PROVIDING A FIRST LIGHT IMAGE SUBSTANTIALLY CONTINUOUSLY IN RESPONSE THERETO; PHOTOEMISSIVE MEANS ARRANGED TO RECEIVE LIGHT FROM SAID FIRST LIGHT IMAGE AND RESPONSIVE THERETO TO PROVIDE A SIMILAR ELECTRON IMAGE; AND A SECOND PHOTOLUMINESCENT MATERIAL HAVING A SECOND EMISSION SPECTRUM AND RELATIVELY SHORT PERSISTENCE
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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) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |