US3315862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web drive mechanism
Assignee: Eastman Kodak Co
•
Filing: 1965-04-12
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Granted: 1967-04-25
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Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 David N Schwardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:20
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6271; G03B27/6285; G03B1/00; G03B1/60; G03B1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A FILM METERING DEVICE FOR SELECTIVELY DRIVING A FILM STRIP ALONG A PRESELECTED PATH PAST A PRINTING APERTURE COMPRISING: A FILM DRIVE MEANS; A FIRST POINTER; A SECOND POINTER; LINKAGE MEANS FOR ADJUSTING THE LOCATION OF SAID FIRST AND SECOND POINTERS ALONG THE PATH OF THE FILM STRIP BEING PRESENTED TO THE PRINTING APERTURE SO THAT SAID SECOND POINTER IS ALWAYS TWICE THE DISTANCE OF SAID FIRST POINTER FROM THE PRINTING APERTURE; FIRST CIRCUIT MEANS FOR CONTROLLING SAID DRIVE MEANS TO ADVANCE THE FILM THE DISTANCE CORRESPONDING TO THE SPACING OF SAID FIRST POINTER FROM THE APERTURE; AND OTHER CIRCUIT MEANS OPERABLE FOR CONTROLLING SAID FIRST CIRCUIT MEANS TO ADVANCE THE FILM STRIP TWICE THE DISTANCE OF SAID FIRST POINTER WHEN AN UNPRINTABLE NEGATIVE IS DETECTED ADJACENT TO THE PRINTING APERTURE.
Claim 2
Dependent Claim
131 words
A FILM METERING DEVICE FOR SELECTIVELY DRIVING A FILM STRIP ALONG A PRESELECTED PATH PAST A PRINTING APERTURE COMPRISING: A FILM DRIVE MEANS; A FIRST POINTER; A SECOND POINTER; LINKAGE MEANS FOR ADJUSTING THE LOCATION OF SAID FIRST AND SECOND POINTERS ALONG THE PATH OF THE FILM STRIP BEING PRESENTED TO THE PRINTING APERTURE SO THAT SAID SECOND POINTER IS ALWAYS TWICE THE DISTANCE OF SAID FIRST POINTER FROM THE PRINTING APERTURE; FIRST CIRCUIT MEANS FOR CONTROLLING SAID DRIVE MEANS TO ADVANCE THE FILM THE DISTANCE CORRESPONDING TO THE SPACING OF SAID FIRST POINTER FROM THE APERTURE; AND OTHER CIRCUIT MEANS OPERABLE FOR CONTROLLING SAID FIRST CIRCUIT MEANS TO ADVANCE THE FILM STRIP TWICE THE DISTANCE OF SAID FIRST POINTER WHEN AN UNPRINTABLE NEGATIVE IS DETECTED ADJACENT TO THE PRINTING APERTURE.
References Cited (Backward Citations)
US2578300A
Cited
US2601356A
Cited
US2657613A
Cited
GB670783A
Cited
US2832591A
Cited
US3163344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |