Patent US3155336A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3155336A Expired / Lapsed US ⏱️ 0.0 years remaining

Film spool

Assignee: Bell and Howell Co
•
Filing: 1962-01-05
•
Granted: 1964-11-03
•
Expires: 1982-01-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Philip E Uterhart

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 23:23
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

References Cited (Backward Citations)

US3124320A Cited
US849076A Cited
US1509441A Cited
US2055626A Cited
FR986433A Cited
FR59365E Cited
FR1102943A Cited
FR1207281A Cited
US3092349A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag