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US3275253A Expired / Lapsed US ⏱️ 0.0 years remaining

Motion picture projector

Assignee: Bell and Howell Co
•
Filing: 1964-01-17
•
Granted: 1966-09-27
•
Expires: 1984-01-17
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Abstract

No abstract record available.

Inventors

  • 👤 Cherniavskyj Jaroslav

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:28
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323; G03B1/00; G03B1/42; G03B1/56

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 81 words
A FILM FEEDING CONSTRUCTION FOR MOTION PICTURE PROJECTORS COMPRISING, A SUPPORTING STRUCTURE, MEANS ON SAID SUPPORTING STRUCTURE FOR SUPPORTING A FILM CARTRIDGE, A FILM REEL ARM CARRIED BY THE SUPPORTING STRUCTURE, SAID FILM REEL ARM HAVING A REEL SPINDLE AND GEAR MEANS FOR DRIVING THE SPINDLE, A DRIVING GEAR CARRIED BY THE SUPPORTING STRUCTURE IN POSITION TO MESH WITH A CORE GEAR OF A CARTRIDGE, SAID GEAR MEANS OF THE REEL ARM BEING DISENGAGEABLY DISPOSED WITH RESPECT TO SAID DRIVING GEAR.
Claim 2
Dependent Claim 81 words
A FILM FEEDING CONSTRUCTION FOR MOTION PICTURE PROJECTORS COMPRISING, A SUPPORTING STRUCTURE, MEANS ON SAID SUPPORTING STRUCTURE FOR SUPPORTING A FILM CARTRIDGE, A FILM REEL ARM CARRIED BY THE SUPPORTING STRUCTURE, SAID FILM REEL ARM HAVING A REEL SPINDLE AND GEAR MEANS FOR DRIVING THE SPINDLE, A DRIVING GEAR CARRIED BY THE SUPPORTING STRUCTURE IN POSITION TO MESH WITH A CORE GEAR OF A CARTRIDGE, SAID GEAR MEANS OF THE REEL ARM BEING DISENGAGEABLY DISPOSED WITH RESPECT TO SAID DRIVING GEAR.

References Cited (Backward Citations)

US1747656A Cited
US2189547A Cited
US2539521A Cited
US2624574A Cited
US3008661A Cited
US3137201A Cited
US3208682A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-26 1970-03-28 1970-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-26 1974-03-28 1974-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-26 1978-03-28 1978-09-27 $7700.00 Window Closed / Lapsed

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