Patent US3064862A successfully refreshed from Google Patents.
Patent US3205506A successfully refreshed from Google Patents.
US3205506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-threading motion picture machine
Assignee: Dejur Amsco Corp
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Filing: 1962-07-05
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Granted: 1965-09-07
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Expires: 1982-07-05
Abstract
No abstract record available.
Inventors
- 👤 Lew W Lessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:43
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A SELF-THREADING MOTION PICTURE MACHINE, COMPRISING IN COMBINATION WITH A SPINDLE FOR A FILM SUPPLY SPOOL, A FILM GATE, AND A FRICTION DRIVE SPINDLE FOR RECEIVING A FILM TAKE-UP SPOOL HAVING A CORE WITH A SLOT, A FILM LOOP FORMER PROVIDED WITH A MOVABLE MEMBER LOCATED BETWEEN THE FILM GATE AND THE DRIVE SPINDLE, A FILM GUIDE LOCATED BETWEEN SAID FILM LOOP FORMER AND THE DRIVE SPINDLE AND MOVABLE BETWEEN RETRACTED AND EXTENDED POSITIONS, SAID FILM GUIDE BEING PROVIDED WITH A BLADE END FOR INTERCEPTING THE MOVEMENT OF THE TAKE-UP SPOOL AND ENTERING THE SLOT IN THE SPOOL CORE WHEN THE FILM GUIDE IS MOVED TO ITS EXTENDED POSITION, MEANS FOR MOVING THE FILM GUIDE TO ITS EXTENDED POSITION, MEANS FOR LATCHING THE FILM GUIDE IN ITS SAID EXTENDED POSITION, THE MOVABLE MEMBER OF SAID LOOP FORMER HAVING A PART OPERATED BY A BACK PRESSURE OF THE FILM AFTER IT HAS ENTERED THE SPOOL CORE FOR RELEASING THE LATCHING MEANS TO RETURN THE FILM GUIDE TO ITS RETACTED POSITION.
Claim 2
Dependent Claim
169 words
A SELF-THREADING MOTION PICTURE MACHINE, COMPRISING IN COMBINATION WITH A SPINDLE FOR A FILM SUPPLY SPOOL, A FILM GATE, AND A FRICTION DRIVE SPINDLE FOR RECEIVING A FILM TAKE-UP SPOOL HAVING A CORE WITH A SLOT, A FILM LOOP FORMER PROVIDED WITH A MOVABLE MEMBER LOCATED BETWEEN THE FILM GATE AND THE DRIVE SPINDLE, A FILM GUIDE LOCATED BETWEEN SAID FILM LOOP FORMER AND THE DRIVE SPINDLE AND MOVABLE BETWEEN RETRACTED AND EXTENDED POSITIONS, SAID FILM GUIDE BEING PROVIDED WITH A BLADE END FOR INTERCEPTING THE MOVEMENT OF THE TAKE-UP SPOOL AND ENTERING THE SLOT IN THE SPOOL CORE WHEN THE FILM GUIDE IS MOVED TO ITS EXTENDED POSITION, MEANS FOR MOVING THE FILM GUIDE TO ITS EXTENDED POSITION, MEANS FOR LATCHING THE FILM GUIDE IN ITS SAID EXTENDED POSITION, THE MOVABLE MEMBER OF SAID LOOP FORMER HAVING A PART OPERATED BY A BACK PRESSURE OF THE FILM AFTER IT HAS ENTERED THE SPOOL CORE FOR RELEASING THE LATCHING MEANS TO RETURN THE FILM GUIDE TO ITS RETACTED POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |