US3318548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film magazine
Assignee: WA Palmer Films Inc
•
Filing: 1964-10-30
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Granted: 1967-05-09
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Expires: 1984-10-30
Abstract
No abstract record available.
Inventors
- 👤 William A Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:21
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/26; G03B17/265; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/587; G03B27/588
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A MAGAZINE, A CASE, AN ARM, MEANS FOR PIVOTALLY MOUNTING THE ARM IN THE CASE TO PERMIT SWINGING MOVEMENT OF THE ARM WITHIN THE CASE, A FILM CORE, MEANS FOR ROTATABLY MOUNTING THE FILM CORE ON THE ARM, A DRIVE ROLLER MOUNTED IN THE CASE, MEANS YIELDABLY URGING THE FILM CORE TOWARDS THE DRIVE ROLLER SO THAT THE DRIVE ROLLER ENGAGES THE FILM CORE OF THE FILM CARRIED THEREBY TO CAUSE ROTATION OF THE FILM CORE AS THE DRIVE ROLLER IS ROTATED, AND A GUIDE ROLLER MOUNTED IN SAID CASE AND ADAPTED TO BE YIELDABLY URGED TOWARD SAID FILM CORE TO ENGAGE THE FILM CORE OR FILM CARRIED THEREBY AT A LOCATION REMOVED FROM THAT ENGAGED BY THE DRIVE ROLLER SO THAT THE RESISTANCE OF THE GUIDE ROLLER AND THE DRIVING FORCE SUPPLIED BY THE DRIVE ROLLER PUT THE FILM THEREBETWEEN IN TENSION AS THE FILM IS WOUND.
Claim 2
Dependent Claim
149 words
IN A MAGAZINE, A CASE, AN ARM, MEANS FOR PIVOTALLY MOUNTING THE ARM IN THE CASE TO PERMIT SWINGING MOVEMENT OF THE ARM WITHIN THE CASE, A FILM CORE, MEANS FOR ROTATABLY MOUNTING THE FILM CORE ON THE ARM, A DRIVE ROLLER MOUNTED IN THE CASE, MEANS YIELDABLY URGING THE FILM CORE TOWARDS THE DRIVE ROLLER SO THAT THE DRIVE ROLLER ENGAGES THE FILM CORE OF THE FILM CARRIED THEREBY TO CAUSE ROTATION OF THE FILM CORE AS THE DRIVE ROLLER IS ROTATED, AND A GUIDE ROLLER MOUNTED IN SAID CASE AND ADAPTED TO BE YIELDABLY URGED TOWARD SAID FILM CORE TO ENGAGE THE FILM CORE OR FILM CARRIED THEREBY AT A LOCATION REMOVED FROM THAT ENGAGED BY THE DRIVE ROLLER SO THAT THE RESISTANCE OF THE GUIDE ROLLER AND THE DRIVING FORCE SUPPLIED BY THE DRIVE ROLLER PUT THE FILM THEREBETWEEN IN TENSION AS THE FILM IS WOUND.
References Cited (Backward Citations)
DE371326C
Cited
US1518026A
Cited
US1871236A
Cited
US2605056A
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US2804508A
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US3000582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |