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US3126803A Expired / Lapsed US ⏱️ 0.0 years remaining

Film winding apparatus for a photographic camera

Assignee: —
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Filing: —
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Granted: 1964-03-31
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Expires: 1981-03-31
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 14:18
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/42; G03B17/425

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 110 words
A FILM WINDING APPARATUS FOR A PHOTOGRAPHIC CAMERA COMPRISING A SUPPORT MEMBER FOR MOUNTING WITHIN THE CAMERA AN ELECTRIC MOTRO HAVING A STATOR FIXED TO SAID SUPPORT MEMBER, AND A ROTOR MOUNTED ON SAID MEMBER SO AS TO BE ROTATABLE WITHIN SAID STATOR, A MAGNET YOKE FORMING A FILM TAKE-UP CYLINDER ROTATABLY MOUNTED ON THE SUPPORT MEMBER AND SURROUNDING SAID STATOR, A GEAR-TRAIN DRIVABLY CONNECTED BETWEEN THE ROTOR AND THE FILM TAKEUP CYLINDER, A SHAFT DRIVABLY CONNECTED TO ONE OF THE GEAR WHEELS OF SAID TRAIN, AND A FILM WINDING SPROCKET SUPPORTED ON SAID SHAFT TO BE DRIVEN SIMULTANEOUSLY WITH SAID FILM TAKE-UP CYLINDER ON OPERATION OF THE ELECTRIC MOTOR.
Claim 2
Dependent Claim 110 words
A FILM WINDING APPARATUS FOR A PHOTOGRAPHIC CAMERA COMPRISING A SUPPORT MEMBER FOR MOUNTING WITHIN THE CAMERA AN ELECTRIC MOTRO HAVING A STATOR FIXED TO SAID SUPPORT MEMBER, AND A ROTOR MOUNTED ON SAID MEMBER SO AS TO BE ROTATABLE WITHIN SAID STATOR, A MAGNET YOKE FORMING A FILM TAKE-UP CYLINDER ROTATABLY MOUNTED ON THE SUPPORT MEMBER AND SURROUNDING SAID STATOR, A GEAR-TRAIN DRIVABLY CONNECTED BETWEEN THE ROTOR AND THE FILM TAKEUP CYLINDER, A SHAFT DRIVABLY CONNECTED TO ONE OF THE GEAR WHEELS OF SAID TRAIN, AND A FILM WINDING SPROCKET SUPPORTED ON SAID SHAFT TO BE DRIVEN SIMULTANEOUSLY WITH SAID FILM TAKE-UP CYLINDER ON OPERATION OF THE ELECTRIC MOTOR.

References Cited (Backward Citations)

DE1027981B Cited
DE1047008B Cited
DE1059762B Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-31 1967-09-30 1968-03-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-31 1971-09-30 1972-03-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-31 1975-09-30 1976-03-31 $7700.00 Window Closed / Lapsed

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