Patent US3208685A successfully refreshed from Google Patents.
US3208685A
Expired / Lapsed
US
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Anti-friction disk for strip material cartridge
Assignee: Eastman Kodak Co
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Filing: 1963-12-30
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Granted: 1965-09-28
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Evan A Edwards
- 👤 Archie J Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:36
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; G11B23/093; G03; G03B; G03B17/00; G03B17/26; G03B17/265; G03B21/00; G03B21/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN A CARTRIDGE HAVING A SUPPLY CHAMBER FORMED BY PERIPHERAL AND SIDE WALLS FOR RECEIVING A SUPPLY COIL OF FLEXIBLE STRIP MATERIAL SO THAT SAID STRIP MATERIAL CAN BE WITHDRAWN FROM THE OUTER PERIPHERY OF SAID SUPPLY COIL, THE IMPROVEMENT COMPRISING: ROTATABLE MEANS FOR RECEIVING SAID SUPPLY COIL IN COAXIAL RELATIONSHIP THEREWITH AND HAVING A SURFACE ENGAGING AN EDGE OF THE CONVOLUTIONS FORMING SAID SUPPLY COIL AND PROVIDING FRICTION-REDUCING SEPARATION BETWEEN SAID EDGE AND AN ADJACENT SIDE WALL OF THE SUPPLY CHAMBER, AT LEAST A PERIPHERAL PORTION OF SAID ROTATABLE MEANS TENDING TO EXTEND INTO THE NORMAL PATH OF WITHDRAWL OF SAID STRIP MATERIAL AND BEING SUFFICIENTLY FLEXIBLE IN AN AXIAL DIRECTION RELATIVE TO SAID SUPPLY COIL SO AS TO BE DEFLECTED OUT OF ITS NORMAL PLANE OF ROTATION
Claim 2
Dependent Claim
129 words
IN A CARTRIDGE HAVING A SUPPLY CHAMBER FORMED BY PERIPHERAL AND SIDE WALLS FOR RECEIVING A SUPPLY COIL OF FLEXIBLE STRIP MATERIAL SO THAT SAID STRIP MATERIAL CAN BE WITHDRAWN FROM THE OUTER PERIPHERY OF SAID SUPPLY COIL, THE IMPROVEMENT COMPRISING: ROTATABLE MEANS FOR RECEIVING SAID SUPPLY COIL IN COAXIAL RELATIONSHIP THEREWITH AND HAVING A SURFACE ENGAGING AN EDGE OF THE CONVOLUTIONS FORMING SAID SUPPLY COIL AND PROVIDING FRICTION-REDUCING SEPARATION BETWEEN SAID EDGE AND AN ADJACENT SIDE WALL OF THE SUPPLY CHAMBER, AT LEAST A PERIPHERAL PORTION OF SAID ROTATABLE MEANS TENDING TO EXTEND INTO THE NORMAL PATH OF WITHDRAWL OF SAID STRIP MATERIAL AND BEING SUFFICIENTLY FLEXIBLE IN AN AXIAL DIRECTION RELATIVE TO SAID SUPPLY COIL SO AS TO BE DEFLECTED OUT OF ITS NORMAL PLANE OF ROTATION
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |