Patent US3261654A successfully refreshed from Google Patents.
US3261654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film feeding mechanism
Assignee: Eastman Kodak Co
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Filing: 1964-06-02
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Granted: 1966-07-19
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Expires: 1984-06-02
Abstract
No abstract record available.
Inventors
- 👤 Richard L Faber
- 👤 Bion W Mcclellan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:05
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/18; G03B1/20; G03B1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A MOTION PICTURE PROJECTOR COMPRISING IN COMBINATION; (A) A GATE HAVING A PROJECTION APERTURE AND THROUGH WHICH GATE A MOTION PICTURE FILM IS ADAPTED TO BE INTERMITTENTLY ADVANCED PAST THE APERTURE THEREIN FOR THE PROJECTION OF SUCCESSIVE IMAGE FRAMES THEREON; (B) A FILM CLAW; (C) MEANS FOR MOUNTING SAID CLAW FOR IN-AND-OUT AND UP AND DOWN MOVEMENTS RELATIVE TO SAID GATE DURING WHICH MOVEMENTS IN INTERMITTENTLY ENGAGES AND ADVANCES THE FILM THROUGH SAID GATE; (D) DRIVE MEANS OPERATING AT A GIVEN FREQUENCY; (E) AN UP AND DOWN CAM CONNECTED TO SAID DRIVE MEANS FOR DRIVING SAID CLAW UP AND DOWN RELATIVE TO SAID GATE AT SAID GIVEN FREQUENCY; (F) MEANS FOR IMPARTING IN-AND-OUT MOVEMENTS TO SAID CLAW IN DIFFERENT TIME RELATIONS WITH SAID UP AND DOWN MOVEMENT THEREOF INCLUDING, (1) A FACE CAM ROTATABLY MOUNTED ON AN AXIS SUBSTANTIALLY PARALLEL TO THE OPTICAL AXIS OF SAID APERTURED GATE, (2) A PLURALITY OF IN-AND-OUT CAM SURFACES LOCATED ON THE FACE OF SAID CAM AND ARRANGED IN GROUPS OF DIFFERENT NUMBERS WITH THE CAM SURFACES OF EACH GROUP CIRCUMFERENTIALLY ARRANGED IN CIRCLES CONCENTRIC TO THE AXIS OF SAID CAM,
Claim 2
Dependent Claim
187 words
A MOTION PICTURE PROJECTOR COMPRISING IN COMBINATION; (A) A GATE HAVING A PROJECTION APERTURE AND THROUGH WHICH GATE A MOTION PICTURE FILM IS ADAPTED TO BE INTERMITTENTLY ADVANCED PAST THE APERTURE THEREIN FOR THE PROJECTION OF SUCCESSIVE IMAGE FRAMES THEREON; (B) A FILM CLAW; (C) MEANS FOR MOUNTING SAID CLAW FOR IN-AND-OUT AND UP AND DOWN MOVEMENTS RELATIVE TO SAID GATE DURING WHICH MOVEMENTS IN INTERMITTENTLY ENGAGES AND ADVANCES THE FILM THROUGH SAID GATE; (D) DRIVE MEANS OPERATING AT A GIVEN FREQUENCY; (E) AN UP AND DOWN CAM CONNECTED TO SAID DRIVE MEANS FOR DRIVING SAID CLAW UP AND DOWN RELATIVE TO SAID GATE AT SAID GIVEN FREQUENCY; (F) MEANS FOR IMPARTING IN-AND-OUT MOVEMENTS TO SAID CLAW IN DIFFERENT TIME RELATIONS WITH SAID UP AND DOWN MOVEMENT THEREOF INCLUDING, (1) A FACE CAM ROTATABLY MOUNTED ON AN AXIS SUBSTANTIALLY PARALLEL TO THE OPTICAL AXIS OF SAID APERTURED GATE, (2) A PLURALITY OF IN-AND-OUT CAM SURFACES LOCATED ON THE FACE OF SAID CAM AND ARRANGED IN GROUPS OF DIFFERENT NUMBERS WITH THE CAM SURFACES OF EACH GROUP CIRCUMFERENTIALLY ARRANGED IN CIRCLES CONCENTRIC TO THE AXIS OF SAID CAM,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |