Patent US1854075A successfully refreshed from Google Patents.
Patent US3261237A successfully refreshed from Google Patents.
US3261237A
Expired / Lapsed
US
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Film magazine leader retrieving method
Assignee: Eastman Kodak Co
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Filing: 1964-09-15
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Granted: 1966-07-19
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Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 Harold J Sentiff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:57
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/28; G03B17/30; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53465
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
THE METHOD OF REMOVING A FILM LEADER FROM WITHIN A FILM MAGAZINE, WHEREIN THE MAGAZINE HAS A LONGITUDINALLY EXTENDING SLOT ALONG ONE SIDE PARALLEL WITH THE AXIS OF THE ROLL OF FILM WITHIN THE MAGAZINE AND DEFINING A FILM PASSAGEWAY, THE WIDTH OF THE FILM PASSAGEWAY BEING GREATER THAN THE WIDTH OF THE FILM LEADER, THE STEPS OF: INSERTING THE FREE END PORTION OF THE LENGTH OF A FLAT, NARROW, DULL-EDGED BLADE THROUGH SAID FILM PASSAGEWAY ENGAGING ONE EDGE OF SAID BLADE AGAINST THE ADJACENT END OF SAID SLOT; SWINGING SAID BLADE FREE END PORTION INWARDLY TOWARD THE CENTER OF THE LENGTH OF THE MAGAZINE PIVOTING SAID ONE BLADE EDGE AGAINST SAID ADJACENT END OF THE SLOT UNTIL SAID FREE END PORTION OF THE BLADE SLIPS BENEATH AND BETWEEN A PORTION OF SAID FILM LEADER AND THE ADJACENT CONVOLUTION OF FILM; AND CONTINUING THE PIVOTING OF THE BLADE BACK THROUGH AND OUT OF SAID FILM PASSAGEWAY PULLING OUTWARLDY ON THE BLADE AND BRINGING WITH THE BLADE A PORTION OF SAID FILM LEADER FOLDED ABOUT SAID BLADE.
Claim 2
Independent Claim
176 words
THE METHOD OF REMOVING A FILM LEADER FROM WITHIN A FILM MAGAZINE, WHEREIN THE MAGAZINE HAS A LONGITUDINALLY EXTENDING SLOT ALONG ONE SIDE PARALLEL WITH THE AXIS OF THE ROLL OF FILM WITHIN THE MAGAZINE AND DEFINING A FILM PASSAGEWAY, THE WIDTH OF THE FILM PASSAGEWAY BEING GREATER THAN THE WIDTH OF THE FILM LEADER, THE STEPS OF: INSERTING THE FREE END PORTION OF THE LENGTH OF A FLAT, NARROW, DULL-EDGED BLADE THROUGH SAID FILM PASSAGEWAY ENGAGING ONE EDGE OF SAID BLADE AGAINST THE ADJACENT END OF SAID SLOT; SWINGING SAID BLADE FREE END PORTION INWARDLY TOWARD THE CENTER OF THE LENGTH OF THE MAGAZINE PIVOTING SAID ONE BLADE EDGE AGAINST SAID ADJACENT END OF THE SLOT UNTIL SAID FREE END PORTION OF THE BLADE SLIPS BENEATH AND BETWEEN A PORTION OF SAID FILM LEADER AND THE ADJACENT CONVOLUTION OF FILM; AND CONTINUING THE PIVOTING OF THE BLADE BACK THROUGH AND OUT OF SAID FILM PASSAGEWAY PULLING OUTWARLDY ON THE BLADE AND BRINGING WITH THE BLADE A PORTION OF SAID FILM LEADER FOLDED ABOUT SAID BLADE.
References Cited (Backward Citations)
US2759263A
Cited
US3076263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |