Patent US3141623A successfully refreshed from Google Patents.
US3141623A
Expired / Lapsed
US
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Coil winding machine
Assignee: Unisys Corp
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Filing: 1961-02-13
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Granted: 1964-07-21
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Berglund Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:56
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A COIL WINDING MACHINE, A SUPPORTING PLATFORM, A FRAME MOUNTED ON SAID PLATFORM AND HAVING A CIRCULAR OPENING THEREIN WITH A RECESS FORMED IN THE WALLS OF SAID OPENING, A WIRE-SUPPLY BOBBIN DISPOSED IN SAID OPENING WITH ITS PERIPHERY EXTENDING INTO SAID RECESS, AN ARM ON SAID FRAME MOVABLE INTO A POSITION AGAINST THE INNER SIDE OF THE BOBBIN TO HOLD IT IN POSITION IN SAID RECESS, CIRCUIT MEANS INCLUDING A MOTOR FOR DRIVING THE BOBBIN AND A SWITCH MEMBER CONNECTED TO AND OPERABLE BY THE MOVEMENT OF SAID ARM, SAID SWITCH BEING OPEN WHEN THE ARM IS MOVED AGAINST THE SIDE OF THE BOBBIN AND CLOSED WHEN THE ARM IS MOVED TO AN INOPERATIVE POSITION AWAY FROM THE SIDE OF SAID BOBBIN TO CONTROL THE OPERATION OF SAID MOTOR.
Claim 2
Dependent Claim
114 words
IN A COIL WINDING MACHINE, A BOBBIN MADE IN THE FORM OF A PERIPHERALLY SLOTTED HOLLOW SPLIT RING, THE LINE OF THE SPLIT BEING SUBSTANTIALLY STRAIGHT AND IN A NONRADIAL DIRECTION ACROSS THE RING, A HOLLOW SLOTTED PLUG HAVING ONE END DISPOSED IN ONE END OF THE RING, THE OTHER END OF THE PLUG MEMBER BEING ADAPTED FOR INSERTION INTO THE OTHER END OF THE RING, THE LOWER PERIPHERAL SURFACE OF SAID OTHER END OF THE PLUG BEING FLATTENED TO PERMIT THE END OF A WIRE TO BE POSITIONED BETWEEN IT AND THE BOTTOM OF THE RING, AND THE ENDS OF THE RING BEING DRAWN TOGETHER TO CLAMP THE WIRE AND CLOSE THE RING.
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |