Patent US2478207A successfully refreshed from Google Patents.
Patent US3300646A successfully refreshed from Google Patents.
US3300646A
Expired / Lapsed
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Light integrator using diffuse surface of a light-conducting rod
Assignee: Eastman Kodak Co
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Filing: 1964-02-06
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Granted: 1967-01-24
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Expires: 1984-02-06
Abstract
No abstract record available.
Inventors
- 👤 Oran T Casebeer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:16
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/08; G03B7/00; G03B7/08; G03B7/099; Y; Y10; Y10S; Y10S385/00; Y10S385/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A LIGHT-INTEGRATING PHOTO-RESPONSIVE DEVICE COMPRISING A LIGHT-TRANSMITTING SOLID WITH A FIRST SURFACE EXPOSED TO INCIDENT LIGHT AND A SECOND SURFACE HAVING REFLECTIVE, LIGHT DIFFUSING CHARACTERISTICS; AND A PHOTO-SENSITIVE ELEMENT SENSITIVE PRIMARILY TO RADIANT ENERGY WHICH HAS BEEN BOTH TRANSMITTED THROUGH SAID FIRST SURFACE AND DIFFUSELY REFLECTED BY SAID SECOND SURFACE.
Claim 2
Dependent Claim
50 words
A LIGHT-INTEGRATING PHOTO-RESPONSIVE DEVICE COMPRISING A LIGHT-TRANSMITTING SOLID WITH A FIRST SURFACE EXPOSED TO INCIDENT LIGHT AND A SECOND SURFACE HAVING REFLECTIVE, LIGHT DIFFUSING CHARACTERISTICS; AND A PHOTO-SENSITIVE ELEMENT SENSITIVE PRIMARILY TO RADIANT ENERGY WHICH HAS BEEN BOTH TRANSMITTED THROUGH SAID FIRST SURFACE AND DIFFUSELY REFLECTED BY SAID SECOND SURFACE.
References Cited (Backward Citations)
US2952781A
Cited
US2984747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |