Patent US3247772A successfully refreshed from Google Patents.
US3247772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera lens holder
Assignee: Individual
•
Filing: 1964-05-11
•
Granted: 1966-04-26
•
Expires: 1984-05-11
Abstract
No abstract record available.
Inventors
- 👤 Mazze Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:36
CPC Classifications
G; G03; G03B; G03B3/00; G03B3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A HOLDING DEVICE FOR LENSES AT THE UNDERSIDE OF A CAMERA, COMPRISING A PLATE STRUCTURE REMOVABLY ATTACHABLE TO THE UNDERSIDE OF THE CAMERA, A CHANNEL-SHAPED CARRIAGE BAR SLIDABLY MOUNTED ON SAID PLATE STRUCTURE, A PAIR OF CUPS HAVING CIRCULAR ENDS SECURED TO THE UNDERSIDE OF SAID CARRIAGE BAR WITH OTHER FLANGED ENDS OF THE CUPS OPENING DOWNWARD FOR RECEIVING AND HOLDING A PAIR OF LENS ASSEMBLIES, SAID PLATE STRUCTURE HAVING RECESSES THEREIN SPACED APART LONGITUDINALLY OF THE PLATE STRUCTURE, AND A LOCKING PIN CARRIED BY SAID BAR, SAID PIN HAVING A STUD SPRING-BIASED INWARDLY TOWARD SAID PLATE STRUCTURE FOR ENGAGING IN SAID RECESSES RESPECTIVELY, SAID PIN HAVING A HEAD DISPOSED OUTSIDE OF SAID BAR FOR RETRACTING THE STUD FROM THE RECESSES AS THE CARRIAGE BAR IS MOVED LONGITUDINALLY ALONG SAID PLATE STRUCTURE TO CLEAR AN OPERATING MEMBER AT THE UNDERSIDE OF THE CAMERA.
Claim 2
Dependent Claim
143 words
A HOLDING DEVICE FOR LENSES AT THE UNDERSIDE OF A CAMERA, COMPRISING A PLATE STRUCTURE REMOVABLY ATTACHABLE TO THE UNDERSIDE OF THE CAMERA, A CHANNEL-SHAPED CARRIAGE BAR SLIDABLY MOUNTED ON SAID PLATE STRUCTURE, A PAIR OF CUPS HAVING CIRCULAR ENDS SECURED TO THE UNDERSIDE OF SAID CARRIAGE BAR WITH OTHER FLANGED ENDS OF THE CUPS OPENING DOWNWARD FOR RECEIVING AND HOLDING A PAIR OF LENS ASSEMBLIES, SAID PLATE STRUCTURE HAVING RECESSES THEREIN SPACED APART LONGITUDINALLY OF THE PLATE STRUCTURE, AND A LOCKING PIN CARRIED BY SAID BAR, SAID PIN HAVING A STUD SPRING-BIASED INWARDLY TOWARD SAID PLATE STRUCTURE FOR ENGAGING IN SAID RECESSES RESPECTIVELY, SAID PIN HAVING A HEAD DISPOSED OUTSIDE OF SAID BAR FOR RETRACTING THE STUD FROM THE RECESSES AS THE CARRIAGE BAR IS MOVED LONGITUDINALLY ALONG SAID PLATE STRUCTURE TO CLEAR AN OPERATING MEMBER AT THE UNDERSIDE OF THE CAMERA.
References Cited (Backward Citations)
US2290307A
Cited
US2720145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |