Patent US3240550A successfully refreshed from Google Patents.
US3240550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion picture apparatus with automatic rewind
Assignee: Eastman Kodak Co
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Filing: 1962-08-20
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Granted: 1966-03-15
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Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 John D Mitchell
- 👤 Kenneth W Thomson
- 👤 Morris E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:00
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN MOTION PICTURE APPARATUS INCLUDING A SUPPLY SPINDLE AND A TAKE-UP SPINDLE ADAPTED RESPECTIVELY TO CARRY FILM SUPPLY AND TAKE-UP REELS, A PROJECTION GATE, MEANS FOR GUIDING FILM FROM SAID SUPPLY REEL ALONG A PREDETERMINED PATH PAST SAID GATE AND TO SAID TAKE-UP REEL, A DRIVE SHAFT, AND TRANSMISSION MEANS NORMALLY OPERATIVELY COUPLING SAID TAKE-UP SPINDLE TO SAID DRIVE SHAFT TO CAUSE ROTATION OF SAID TAKE-UP SPINDLE IN A FILM-WINDING DIRECTION UPON ROTATION OF SAID DRIVE SHAFT IN A PREDETERMINED DIRECTION, THE IMPROVEMENT WHEREIN: (A) SAID TRANSMISSION INCLUDES A SHIFTABLE MEMBER MOVABLE FROM A FIRST POSITION PROVIDING SAID NORMAL COUPLING TO A SECOND POSITION WHEREIN SAID TAKE-UP SPINDLE IS UNCOUPLED FROM SAID DRIVE SHAFT AND SAID SUPPLY SPINDLE IS OPERATIVELY COUPLED TO SAID DRIVE SHAFT TO CAUSE ROTATION OF SAID SUPPLY SPINDLE IN A
Claim 2
Dependent Claim
134 words
IN MOTION PICTURE APPARATUS INCLUDING A SUPPLY SPINDLE AND A TAKE-UP SPINDLE ADAPTED RESPECTIVELY TO CARRY FILM SUPPLY AND TAKE-UP REELS, A PROJECTION GATE, MEANS FOR GUIDING FILM FROM SAID SUPPLY REEL ALONG A PREDETERMINED PATH PAST SAID GATE AND TO SAID TAKE-UP REEL, A DRIVE SHAFT, AND TRANSMISSION MEANS NORMALLY OPERATIVELY COUPLING SAID TAKE-UP SPINDLE TO SAID DRIVE SHAFT TO CAUSE ROTATION OF SAID TAKE-UP SPINDLE IN A FILM-WINDING DIRECTION UPON ROTATION OF SAID DRIVE SHAFT IN A PREDETERMINED DIRECTION, THE IMPROVEMENT WHEREIN: (A) SAID TRANSMISSION INCLUDES A SHIFTABLE MEMBER MOVABLE FROM A FIRST POSITION PROVIDING SAID NORMAL COUPLING TO A SECOND POSITION WHEREIN SAID TAKE-UP SPINDLE IS UNCOUPLED FROM SAID DRIVE SHAFT AND SAID SUPPLY SPINDLE IS OPERATIVELY COUPLED TO SAID DRIVE SHAFT TO CAUSE ROTATION OF SAID SUPPLY SPINDLE IN A
References Cited (Backward Citations)
FR1230733A
Cited
US1210955A
Cited
GB245882A
Cited
US1786917A
Cited
GB692891A
Cited
US2914265A
Cited
US3006240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |