US3091162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zoom photometric system
Assignee: Eastman Kodak Co
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Filing: 1962-08-06
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Granted: 1963-05-28
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Expires: 1982-08-06
Abstract
No abstract record available.
Inventors
- 👤 Allen G Stimson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:47
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/42; G01J1/4209; G01J1/4214; G01J1/02; G01J1/04; G01J1/0407; G01J1/0448; G01J1/0474
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
IN A CAMERA HAVING A PHOTOCELL ILLUMINATABLE BY FIELD LIGHT THROUGH AN APERTURE, MEANS FOR CHANGING THE EFFECTIVE FIELD ANGLE OF THE PHOTOCELL WHILE MAINTAINING THE ILLUMINATION THEREOF SUBSTANTIALLY CONSTANT, SAID MEANS COMPRISING A LIGHT-TRANSMITTING AND LIGHT-DIFFUSING MEMBER MOUNTED BETWEEN SAID PHOTOCELL AND SAID APER-
Claim 2
Dependent Claim
45 words
IN A CAMERA HAVING A PHOTOCELL ILLUMINATABLE BY FIELD LIGHT THROUGH AN APERTURE, MEANS FOR CHANGING THE EFFECTIVE FIELD ANGLE OF THE PHOTOCELL WHILE MAINTAINING THE ILLUMINATION THEREOF SUBSTANTIALLY CONSTANT, SAID MEANS COMPRISING A LIGHT-TRANSMITTING AND LIGHT-DIFFUSING MEMBER MOUNTED BETWEEN SAID PHOTOCELL AND SAID APER-
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |