Patent US3142890A successfully refreshed from Google Patents.
US3142890A
Expired / Lapsed
US
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Armature winder and staker
Assignee: Motors Liquidation Co
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Filing: 1959-09-15
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Granted: 1964-08-04
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Expires: 1979-09-15
Abstract
No abstract record available.
Inventors
- 👤 Morris E Adams
- 👤 Wiibur C Crim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:33
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/08; H02K15/09; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011; Y10T29/49012; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
149 words
IN A CONTINUOUS METHOD OF APPLYING COIL WINDINGS TO AN ARMATURE CORE AND STAKING LEAD WIRES TO A COMMUTATOR, THE STEPS COMPRISING, SUPPORTING AN ARMATURE ASSEMBLY INCLUDING AN ARMATURE CORE AND A COMMUTATOR, STAKING A LEAD WIRE INTO ONE OF THE COMMUTATOR SLOTS, DIRECTING SAID WIRE INTO PAIRS OF OPPOSITELY DISPOSED ARMATURE CORE SLOTS BY APPLYING THE WIRE ALONG A CONTINUOUS PATH THAT IS SUBSTANTIALLY PARALLEL WITH THE LONGITUDINAL AXIS OF SAID ARMATURE ASSEMBLY WHILE MAINTAINING THE ARMATURE ASSEMBLY STATIONARY, SEVERING A LENGTH OF SAID WIRE AND STAKING THE SEVERED ENDS OF SAID WIRE INTO PAIRS OF COMMUTATOR SLOTS WHEREBY THE STAKED END OF ONE OF SAID LENGTHS OF WIRE FORMS THE END OF A FLAT COIL WINDING AND THE SEVERED END OF THE OTHER WIRE FORMS THE BEGINING OF ANOTHER COIL WINDING, AND THEN ALTERNATELY WINDING AND STAKING AS AFORESAID TO COMPLETELY WIND AND STAKE AN ARMATURE ASSEMBLY.
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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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |