Patent US6646885B1 successfully refreshed from Google Patents.
US3155336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film spool
Assignee: Bell and Howell Co
•
Filing: 1962-01-05
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Granted: 1964-11-03
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Expires: 1982-01-05
Abstract
No abstract record available.
Inventors
- 👤 Philip E Uterhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:53
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A MOLDED ONE-PIECE CAMERA SPOOL FOR HOLDING MOTION PICTURE FILM COMPRISING SPACED END FLANGE MEMBERS EACH HAVING AN AXIAL MOUNTING APERTURE ADAPTED TO RECEIVE A COACTING MEMBER AND A HOLLOW CYLINDRICAL HUB EXTENDING THEREBETWEEN AND INTEGRALLY CONNECTED THEREWITH, SAID HUB HAVING TWO ESSENTIALLY PARALLEL, SUBSTANTIALLY OPPOSED SLOTS EXTENDING LONGITUDINALLY THE LENGTH OF THE HUB AND TERMINATING AT SAID FLANGE MEMBERS AND BEING PROVIDED WITH AT LEAST ONE TOOTH EXTENDING INTO A SLOT FOR ENGAGING A PERFORATION OF A MOTION PICTURE FILM, SAID HUB HAVING A PAIR OF PERIPHERAL PORTIONS INTERCONNECTING SAID SLOTS, SAID PERIPHERAL PORTIONS BEING CHARACTERIZED IN THAT ANY INTERIOR PORTION THEREOF IS ACCESSIBLE THROUGH AN ADJACENT SLOT ALONG A LINE PARALLEL TO A DIAMETER OF SAID HUB AND EACH PERIPHERAL PORTION HAS A PAIR OF EDGES, EACH FORMING A SURFACE OF A SLOT WHEREIN ONE EDGE OF EACH SAID PERIPHERAL PORTION IS PARALLEL AND DIAMETRICALLY OPPOSITE THE
Claim 2
Dependent Claim
149 words
A MOLDED ONE-PIECE CAMERA SPOOL FOR HOLDING MOTION PICTURE FILM COMPRISING SPACED END FLANGE MEMBERS EACH HAVING AN AXIAL MOUNTING APERTURE ADAPTED TO RECEIVE A COACTING MEMBER AND A HOLLOW CYLINDRICAL HUB EXTENDING THEREBETWEEN AND INTEGRALLY CONNECTED THEREWITH, SAID HUB HAVING TWO ESSENTIALLY PARALLEL, SUBSTANTIALLY OPPOSED SLOTS EXTENDING LONGITUDINALLY THE LENGTH OF THE HUB AND TERMINATING AT SAID FLANGE MEMBERS AND BEING PROVIDED WITH AT LEAST ONE TOOTH EXTENDING INTO A SLOT FOR ENGAGING A PERFORATION OF A MOTION PICTURE FILM, SAID HUB HAVING A PAIR OF PERIPHERAL PORTIONS INTERCONNECTING SAID SLOTS, SAID PERIPHERAL PORTIONS BEING CHARACTERIZED IN THAT ANY INTERIOR PORTION THEREOF IS ACCESSIBLE THROUGH AN ADJACENT SLOT ALONG A LINE PARALLEL TO A DIAMETER OF SAID HUB AND EACH PERIPHERAL PORTION HAS A PAIR OF EDGES, EACH FORMING A SURFACE OF A SLOT WHEREIN ONE EDGE OF EACH SAID PERIPHERAL PORTION IS PARALLEL AND DIAMETRICALLY OPPOSITE THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |