Patent US3292444A successfully refreshed from Google Patents.
US3292444A
Expired / Lapsed
US
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Drive mechanism for film strip
Assignee: General Electric Co
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Filing: 1965-02-15
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Granted: 1966-12-20
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Albert D Bentley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:00
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/06; G03B1/00; G03B1/42; G03B1/56; G03B23/00; G03B23/08; G03B23/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A DRIVE MECHANISM FOR A FILM-STRIP HOLDER CARRYING A FILM STRIP IN AN OPENING THEREIN AND PROVIDED WITH A RECESS FROM A SURFACE THEREOF, COMPRISING A DRIVE SHAFT CARRYING AT LEAST ONE DRIVE WHEEL ADDAPTED TO ENGAGE SAID SURFACE OF THE HOLDER FOR MOVING THE HOLDER WHEN THE HOLDER IS PLACED IN OPERATIVE POSITION, AND AN ADDITIONAL WHEEL PROVIDED ON SAID DRIVE SHAFT AND HAVING A DIAMETER SUFFICIENTLY LARGE SO THAT SAID ADDITIONAL WHEEL RIDES ON SAID SURFACE OF THE FILM HOLDER AND RELIEVES PRESSURE OF SAID DRIVE WHEEL ON THE HOLDER DURING INSERTION OF SAID HOLDER INTO OPERATIVE POSITION IN SAID DRIVE MECHANISM,
Claim 2
Dependent Claim
104 words
A DRIVE MECHANISM FOR A FILM-STRIP HOLDER CARRYING A FILM STRIP IN AN OPENING THEREIN AND PROVIDED WITH A RECESS FROM A SURFACE THEREOF, COMPRISING A DRIVE SHAFT CARRYING AT LEAST ONE DRIVE WHEEL ADDAPTED TO ENGAGE SAID SURFACE OF THE HOLDER FOR MOVING THE HOLDER WHEN THE HOLDER IS PLACED IN OPERATIVE POSITION, AND AN ADDITIONAL WHEEL PROVIDED ON SAID DRIVE SHAFT AND HAVING A DIAMETER SUFFICIENTLY LARGE SO THAT SAID ADDITIONAL WHEEL RIDES ON SAID SURFACE OF THE FILM HOLDER AND RELIEVES PRESSURE OF SAID DRIVE WHEEL ON THE HOLDER DURING INSERTION OF SAID HOLDER INTO OPERATIVE POSITION IN SAID DRIVE MECHANISM,
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |