Patent US3157100A successfully refreshed from Google Patents.
US3157100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shutter devices for photographic cameras
Assignee: Olympus Corp
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Filing: 1961-09-21
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Granted: 1964-11-17
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Expires: 1981-09-21
Abstract
No abstract record available.
Inventors
- 👤 Maitani Yoshihisa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:02
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08; G03B9/10; G03B9/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A SHUTTER DRIVING DEVICE FOR A PHOTOGRAPHIC CAMERA HAVING A SHUTTER AND A MEANS FOR TAKING UP FILM COMPRISING THE COMBINATION OF A FIRST ROTATABLE MEMBER ADAPTED TO BE ROTATED BY THE MEANS FOR TAKING UP FILM, A SECOND ROTATABLE MEMBER HAVING A LUG PROJECTING THEREFROM AND HAVING MEANS THEREON ADAPTED TO BE ARTICULATED TO THE SHUTTER, SAID FIRST MEMBER AND SAID SECOND MEMBER BEING ROTATABLE ABOUT A COMMON AXIS FOR ROTATIONAL MOVEMENT RELATIVE TO EACH OTHER, AN OPERATING SPRING MEMBER DISPOSED ABOUT SAID COMMON AXIS AND HAVING ENDS THEREOF CONNECTED TO SAID FIRST AND SECOND ROTATABLE MEMBERS RE-
Claim 2
Dependent Claim
99 words
A SHUTTER DRIVING DEVICE FOR A PHOTOGRAPHIC CAMERA HAVING A SHUTTER AND A MEANS FOR TAKING UP FILM COMPRISING THE COMBINATION OF A FIRST ROTATABLE MEMBER ADAPTED TO BE ROTATED BY THE MEANS FOR TAKING UP FILM, A SECOND ROTATABLE MEMBER HAVING A LUG PROJECTING THEREFROM AND HAVING MEANS THEREON ADAPTED TO BE ARTICULATED TO THE SHUTTER, SAID FIRST MEMBER AND SAID SECOND MEMBER BEING ROTATABLE ABOUT A COMMON AXIS FOR ROTATIONAL MOVEMENT RELATIVE TO EACH OTHER, AN OPERATING SPRING MEMBER DISPOSED ABOUT SAID COMMON AXIS AND HAVING ENDS THEREOF CONNECTED TO SAID FIRST AND SECOND ROTATABLE MEMBERS RE-
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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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |