US3246590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power zoom mechanism for movie cameras
Assignee: Eastman Kodak Co
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Filing: 1963-06-13
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Granted: 1966-04-19
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Expires: 1983-06-13
Abstract
No abstract record available.
Inventors
- 👤 Gerald L Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:22
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/12; G03B17/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A PHOTOGRAPHIC CAMERA HAVING A TAKING LENS SYSTEM INCLUDING AT LEAST ONE AXIALLY MOVABLE LENS ELEMENT FOR VARYING THE MAGNIFICATION THEREOF, AND FIRST DRIVE MEANS FOR MOVING A FILM STRIP PAST AN EXPOSURE APERTURE ALIGNED WITH SAID LENS SYSTEM, THE COMBINATION COMPRISING: A MOVABLE MEMBER COUPLED TO SAID LENS ELEMENT AND HAVING DRIVE PORTIONS ADAPTED TO BE SELECTIVELY ENGAGED FOR MOVING SAID LENS ELEMENT IN A CORRESPONDING ONE OF TWO AXIAL DIRECTIONS; SECOND DRIVE MEANS; AND MANUALLY OPERABLE CONTROL MEANS INCLUDING A FIRST MEMBER DRIVEN BY SAID SECOND DRIVE MEANS AND A SECOND MEMBER DRIVEN BY SAID FIRST MEMBER, SAID CONTROL MEANS BEING MOVABLE FROM A NEUTRAL POSITION, IN WHICH SAID FIRST AND SECOND DRIVE MEANS ARE DISABLED, IN EITHER OF TWO DIRECTIONS FOR ENABLING SAID FIRST DRIVE MEANS PRIOR TO SAID SECOND DRIVE MEANS AND FOR SUBSEQUENTLY MOVING SAID SECOND MEMBER INTO ENGAGEMENT WITH ONE OF SAID DRIVE PORTIONS TO MOVE SAID LENS ELEMENT.
Claim 2
Dependent Claim
156 words
IN A PHOTOGRAPHIC CAMERA HAVING A TAKING LENS SYSTEM INCLUDING AT LEAST ONE AXIALLY MOVABLE LENS ELEMENT FOR VARYING THE MAGNIFICATION THEREOF, AND FIRST DRIVE MEANS FOR MOVING A FILM STRIP PAST AN EXPOSURE APERTURE ALIGNED WITH SAID LENS SYSTEM, THE COMBINATION COMPRISING: A MOVABLE MEMBER COUPLED TO SAID LENS ELEMENT AND HAVING DRIVE PORTIONS ADAPTED TO BE SELECTIVELY ENGAGED FOR MOVING SAID LENS ELEMENT IN A CORRESPONDING ONE OF TWO AXIAL DIRECTIONS; SECOND DRIVE MEANS; AND MANUALLY OPERABLE CONTROL MEANS INCLUDING A FIRST MEMBER DRIVEN BY SAID SECOND DRIVE MEANS AND A SECOND MEMBER DRIVEN BY SAID FIRST MEMBER, SAID CONTROL MEANS BEING MOVABLE FROM A NEUTRAL POSITION, IN WHICH SAID FIRST AND SECOND DRIVE MEANS ARE DISABLED, IN EITHER OF TWO DIRECTIONS FOR ENABLING SAID FIRST DRIVE MEANS PRIOR TO SAID SECOND DRIVE MEANS AND FOR SUBSEQUENTLY MOVING SAID SECOND MEMBER INTO ENGAGEMENT WITH ONE OF SAID DRIVE PORTIONS TO MOVE SAID LENS ELEMENT.
References Cited (Backward Citations)
US3095794A
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 |