US3265457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion picture viewer and film advance mechanism
Assignee: Individual
•
Filing: 1964-06-12
•
Granted: 1966-08-09
•
Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 James T Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:19
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A FILM ADVANCE MECHANISM COMPRISING: AN ELONATED ARM HAVING RIGID SPRING CHARACTERISTICS, A SECOND LIGHT SPRING AFFIXED TO ONE END OF SAID ARM, A CATCH MEANS RIGIDLY SECURED TO SAID LIGHT SPRING, SAID CATCH MEANS OF A CONFIGURATION FOR ENGAGEMENT WITH PERFORATIONS PRESENT IN A FILM, AND MEANS FOR CAUSING SAID ELONGATED ARM TO RECIPROCATE WHEREBY SAID CATCH MEANS ENGAGES SUCCESSIVE PERFORATIONS IN SAID FILM AND PUSHING SAID FILM WITH SAID RECIPROCAL MOVEMENT, SAID MEANS COMPRISING: AN ELECTRIC POWER SOURCE, A SOLENOID OPERATIVELY CONNECTED TO ONE END OF SAID POWER SOURCE, SAID SOLENOID BEING ADDITIONALLY AFFIXED AT THE OPPOSITE END THEREOF TO SAID ELONGATED SPRING ARM, AND MEANS FOR CAUSING SAID SOLENOID TO RETURN TO A STARTING POSITION AFTER ITS ACTUATING CAUSING SAID ARM TO RECIPROCATE.
Claim 2
Dependent Claim
126 words
A FILM ADVANCE MECHANISM COMPRISING: AN ELONATED ARM HAVING RIGID SPRING CHARACTERISTICS, A SECOND LIGHT SPRING AFFIXED TO ONE END OF SAID ARM, A CATCH MEANS RIGIDLY SECURED TO SAID LIGHT SPRING, SAID CATCH MEANS OF A CONFIGURATION FOR ENGAGEMENT WITH PERFORATIONS PRESENT IN A FILM, AND MEANS FOR CAUSING SAID ELONGATED ARM TO RECIPROCATE WHEREBY SAID CATCH MEANS ENGAGES SUCCESSIVE PERFORATIONS IN SAID FILM AND PUSHING SAID FILM WITH SAID RECIPROCAL MOVEMENT, SAID MEANS COMPRISING: AN ELECTRIC POWER SOURCE, A SOLENOID OPERATIVELY CONNECTED TO ONE END OF SAID POWER SOURCE, SAID SOLENOID BEING ADDITIONALLY AFFIXED AT THE OPPOSITE END THEREOF TO SAID ELONGATED SPRING ARM, AND MEANS FOR CAUSING SAID SOLENOID TO RETURN TO A STARTING POSITION AFTER ITS ACTUATING CAUSING SAID ARM TO RECIPROCATE.
References Cited (Backward Citations)
US2834832A
Cited
US3139789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |