US3132818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for winding film strips onto a processing spool
Assignee: Individual
•
Filing: 1962-01-15
•
Granted: 1964-05-12
•
Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Hansen Kaare
- 👤 Erling J Knutsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:43
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/08; G03D13/14; G03D13/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A DEVICE FOR WINDING PHOTOGRAPHIC FILM STRIPS TO BE PROCESSED COMPRISING A SPOOL HAVING TWO FLANGES COAXIALLY DISPOSED, A CENTRAL PIN JOINING SAID FLANGES, EACH FLANGE HAVING A SPIRAL GROOVE TO ENGAGE AN EDGE OF THE FILM STRIPS TO RETAIN SAID FILM STRIPS IN SAID SPIRAL GROOVES, MEANS FOR ROTATING SAID SPOOL ABOUT THE AXIS OF SAID CENTRAL PIN, A MOVABLE FILM GUIDE MEMBER FOR INTRODUCING A FILM STRIP BETWEEN SAID SPOOL FLANGES, A GUIDE PLATE, MEANS FOR ROTATING SAID GUIDE PLATE WITH SAID SPOOL, SAID GUIDE PLATE HAVING A SPIRAL GROOVE CORRESPONDING TO SAID SPIRAL GROOVES OF SAID SPOOL FLANGES, SAID FILM GUIDE MEMBER COMPRISING A FINGER TO FOLLOW SAID SPIRAL GROOVE IN SAID GUIDE PLATE TO CONTROL THE POSITION OF SAID FILM GUIDE MEMBER DURING WINDING, SAID SPIRAL GROOVE IN SAID GUIDE PLATE BEING SUBDIVIDED INTO A NUMBER OF SECTIONS SEPARATED FROM EACH OTHER BY UNINTERRUPTED CIRCUMFERENTIALLY CLOSED OUTLET GROOVES, AND MEANS TO URGE SAID FINGER WHEN IN SAID OUTLET GROOVES AGAINST THE GROOVE WALL NEAREST TO THE AXIS OF SAID GUIDE PLATE WHEREBY SAID OUTLET GROOVES MAY BE REPETITIOUSLY TRAVERSED BY SAID FINGER.
Claim 2
Independent Claim
186 words
A DEVICE FOR WINDING PHOTOGRAPHIC FILM STRIPS TO BE PROCESSED COMPRISING A SPOOL HAVING TWO FLANGES COAXIALLY DISPOSED, A CENTRAL PIN JOINING SAID FLANGES, EACH FLANGE HAVING A SPIRAL GROOVE TO ENGAGE AN EDGE OF THE FILM STRIPS TO RETAIN SAID FILM STRIPS IN SAID SPIRAL GROOVES, MEANS FOR ROTATING SAID SPOOL ABOUT THE AXIS OF SAID CENTRAL PIN, A MOVABLE FILM GUIDE MEMBER FOR INTRODUCING A FILM STRIP BETWEEN SAID SPOOL FLANGES, A GUIDE PLATE, MEANS FOR ROTATING SAID GUIDE PLATE WITH SAID SPOOL, SAID GUIDE PLATE HAVING A SPIRAL GROOVE CORRESPONDING TO SAID SPIRAL GROOVES OF SAID SPOOL FLANGES, SAID FILM GUIDE MEMBER COMPRISING A FINGER TO FOLLOW SAID SPIRAL GROOVE IN SAID GUIDE PLATE TO CONTROL THE POSITION OF SAID FILM GUIDE MEMBER DURING WINDING, SAID SPIRAL GROOVE IN SAID GUIDE PLATE BEING SUBDIVIDED INTO A NUMBER OF SECTIONS SEPARATED FROM EACH OTHER BY UNINTERRUPTED CIRCUMFERENTIALLY CLOSED OUTLET GROOVES, AND MEANS TO URGE SAID FINGER WHEN IN SAID OUTLET GROOVES AGAINST THE GROOVE WALL NEAREST TO THE AXIS OF SAID GUIDE PLATE WHEREBY SAID OUTLET GROOVES MAY BE REPETITIOUSLY TRAVERSED BY SAID FINGER.
References Cited (Backward Citations)
US2990128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |