Patent US3323744A successfully refreshed from Google Patents.
US3323744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film strip canister
Assignee: CENTRAL RES LAB Inc
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Filing: 1966-03-11
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Granted: 1967-06-06
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Expires: 1986-03-11
Abstract
No abstract record available.
Inventors
- 👤 Frank G Chesley
- 👤 Logan W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:02
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A STORAGE AND DISPENSING CANISTER FOR STRIP FILM FOR PROJECTION COMPRISING: (A) A HOLLOW CYLINDRICAL HOUSING TO RECEIVE A COILED ROLL OF DEVELOPED FILM STRIP, (B) ROTATABLE SPOOL MEANS EXTENDING LONGITUDINALLY OF SAID HOUSING AND JOURNALLED FOR ROTATION GENERALLY ABOUT THE LONGITUDINAL AXIS THEREOF, (C) MANUAL MEANS EXTERNAL OF SAID HOUSING ADJACENT ONE END CONNECTED TO SAID SPOOL MEANS FOR ROTATION THEREOF, (D) MEANS FOR SECURING ONE END OF A FILM STRIP TO SAID SPOOL MEANS, (E) AN APERTURE IN THE SIDE WALL OF SAID HOUSING TO PERMIT INSERTION OF A FINGER INTO THE HOUSING FOR GRASPING THE FREE END OF A COILED ROLL OF FILM STRIP, (F) SAID APERTURE BEING OF A WIDTH LESS THAN THE WIDTH OF SAID FILM, AND (G) A PAIR OF FILM GUIDING SLOTS ON OPPOSITE SIDES OF SAID APERTURE AND IN COMMUNICATION THEREWITH FOR ENGAGING THE EDGES AND GUIDING FILM INTO AND OUT OF SAID HOUSING, (H) SAID SLOTS BEING ALIGNED LONGITUDINALLY OF SAID HOUSING AND ANGULARLY DISPOSED SO AS TO BE GENERALLY TANGENTIAL TO THE INSIDE WALL OF THE HOUSING.
Claim 2
Dependent Claim
177 words
A STORAGE AND DISPENSING CANISTER FOR STRIP FILM FOR PROJECTION COMPRISING: (A) A HOLLOW CYLINDRICAL HOUSING TO RECEIVE A COILED ROLL OF DEVELOPED FILM STRIP, (B) ROTATABLE SPOOL MEANS EXTENDING LONGITUDINALLY OF SAID HOUSING AND JOURNALLED FOR ROTATION GENERALLY ABOUT THE LONGITUDINAL AXIS THEREOF, (C) MANUAL MEANS EXTERNAL OF SAID HOUSING ADJACENT ONE END CONNECTED TO SAID SPOOL MEANS FOR ROTATION THEREOF, (D) MEANS FOR SECURING ONE END OF A FILM STRIP TO SAID SPOOL MEANS, (E) AN APERTURE IN THE SIDE WALL OF SAID HOUSING TO PERMIT INSERTION OF A FINGER INTO THE HOUSING FOR GRASPING THE FREE END OF A COILED ROLL OF FILM STRIP, (F) SAID APERTURE BEING OF A WIDTH LESS THAN THE WIDTH OF SAID FILM, AND (G) A PAIR OF FILM GUIDING SLOTS ON OPPOSITE SIDES OF SAID APERTURE AND IN COMMUNICATION THEREWITH FOR ENGAGING THE EDGES AND GUIDING FILM INTO AND OUT OF SAID HOUSING, (H) SAID SLOTS BEING ALIGNED LONGITUDINALLY OF SAID HOUSING AND ANGULARLY DISPOSED SO AS TO BE GENERALLY TANGENTIAL TO THE INSIDE WALL OF THE HOUSING.
References Cited (Backward Citations)
US2537883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |