US3383068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera with automatic film threading means
Assignee: Agfa Gevaert AG
•
Filing: 1966-05-04
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Granted: 1968-05-14
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Expires: 1986-05-04
Abstract
No abstract record available.
Inventors
- 👤 Winkler Alfred
- 👤 Ernst Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:26
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/28; G03B17/30; G03B2217/00; G03B2217/26; G03B2217/261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A PHOTOGRAPHIC CAMERA, A HOUSING DEFINING A CHAMBER AND COMPRISING A PLATFORM ALONG WHICH THE LEADING END OF A SUPPLY OF ROLL FILM CAN ADVANCE TOWARD SAID CHAMBER; A TRANSPORTING MECHANISM FOR ADVANCING THE FILM; A TAKE-UP SPOOL ROTATABLY MOUNTED IN SAID CHAMBER AND COUPLED WITH SAID MECHANISM, SAID SPOOL HAVING A CORE PROVIDED WITH AN INLET THROUGH WHICH THE LEADING END ENTERS IN RESPONSE TO ADVANCE OF FILM INTO SAID CHAMBER; AND GUIDE MEANS FOR THE FILM, SAID GUIDE MEANS COMPRISING A GUIDE MEMBER ROTATABLE WITH SAID SPOOL AND MOVABLE BY THE LEADING END, UPON PASSING OF SUC LEADING END THROUGH SAID INLET, FROM A FIRST POSITION TO A SECOND POSITION IN WHICH SAID GUIDE MEMBER ENGAGES THE FILM SO THAT, IN RESPONSE TO ROTATION OF SAID SPOOL, THE FILM IS AUTOMATICALLY CONVOLUTED AROUND SAID CORE AND AROUND SAID GUIDE MEMBER.
Claim 2
Dependent Claim
143 words
IN A PHOTOGRAPHIC CAMERA, A HOUSING DEFINING A CHAMBER AND COMPRISING A PLATFORM ALONG WHICH THE LEADING END OF A SUPPLY OF ROLL FILM CAN ADVANCE TOWARD SAID CHAMBER; A TRANSPORTING MECHANISM FOR ADVANCING THE FILM; A TAKE-UP SPOOL ROTATABLY MOUNTED IN SAID CHAMBER AND COUPLED WITH SAID MECHANISM, SAID SPOOL HAVING A CORE PROVIDED WITH AN INLET THROUGH WHICH THE LEADING END ENTERS IN RESPONSE TO ADVANCE OF FILM INTO SAID CHAMBER; AND GUIDE MEANS FOR THE FILM, SAID GUIDE MEANS COMPRISING A GUIDE MEMBER ROTATABLE WITH SAID SPOOL AND MOVABLE BY THE LEADING END, UPON PASSING OF SUC LEADING END THROUGH SAID INLET, FROM A FIRST POSITION TO A SECOND POSITION IN WHICH SAID GUIDE MEMBER ENGAGES THE FILM SO THAT, IN RESPONSE TO ROTATION OF SAID SPOOL, THE FILM IS AUTOMATICALLY CONVOLUTED AROUND SAID CORE AND AROUND SAID GUIDE MEMBER.
References Cited (Backward Citations)
US2542186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |