US3073545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for unwinding strands
Assignee: AT&T Inc
•
Filing: 1958-11-10
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Granted: 1963-01-15
•
Expires: 1978-11-10
Abstract
No abstract record available.
Inventors
- 👤 Domenico C Frate
- 👤 Vincent A Rayburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:24
CPC Classifications
B; B65; B65H; B65H57/00; B65H57/18; B21; B21C; B21C47/00; B21C47/16; B21C47/18; B21C47/20; B65H59/00; B65H59/02; B65H59/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN COMBINATION WITH A STRAND-UNWINDING APPARATUS OF THE TYPE WHEREIN A STRAND IS WITHDRAWN FROM A COIL AND IS PASSED TO A GUIDE UNIT WHICH REVOLVES ABOUT THE AXIS OF THE COIL AS THE STRAND IS WITHDRAWN, THE IMPROVEMENT WHICH COMPRISES A WEDGING BLADE POSITIONED BETWEEN THE STRAND BEING WITHDRAWN AND AGAINST THE SURFACE OF THE COIL SO THAT THE STRAND BEING WITHDRAWN PASSES OVER SAID WEDGING BLADE TO THE GUIDE UNIT, AND MEANS FOR MOUNTING SAID WEDGING BLADE TO THE GUIDE UNIT FOR REVOLUTION THEREWITH AND FOR PIVOTAL MOVEMENT WITH RESPECT THERETO SO THAT SAID WEDGING BLADE IS MAINTAINED IN CONTINUOUS CONTACT WITH THE SURFACE OF THE COIL BY THE STRAND PASSING THEREOVER, THUS EFFECTIVELY SEPARATING THE STRAND BEING WITHDRAWN FROM THE ADJACENT STRAND CONVOLUTIONS REMAINING IN THE COIL.
Claim 2
Dependent Claim
130 words
IN COMBINATION WITH A STRAND-UNWINDING APPARATUS OF THE TYPE WHEREIN A STRAND IS WITHDRAWN FROM A COIL AND IS PASSED TO A GUIDE UNIT WHICH REVOLVES ABOUT THE AXIS OF THE COIL AS THE STRAND IS WITHDRAWN, THE IMPROVEMENT WHICH COMPRISES A WEDGING BLADE POSITIONED BETWEEN THE STRAND BEING WITHDRAWN AND AGAINST THE SURFACE OF THE COIL SO THAT THE STRAND BEING WITHDRAWN PASSES OVER SAID WEDGING BLADE TO THE GUIDE UNIT, AND MEANS FOR MOUNTING SAID WEDGING BLADE TO THE GUIDE UNIT FOR REVOLUTION THEREWITH AND FOR PIVOTAL MOVEMENT WITH RESPECT THERETO SO THAT SAID WEDGING BLADE IS MAINTAINED IN CONTINUOUS CONTACT WITH THE SURFACE OF THE COIL BY THE STRAND PASSING THEREOVER, THUS EFFECTIVELY SEPARATING THE STRAND BEING WITHDRAWN FROM THE ADJACENT STRAND CONVOLUTIONS REMAINING IN THE COIL.
References Cited (Backward Citations)
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Cited
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |