Patent US2006743A successfully refreshed from Google Patents.
US3239703A
Expired / Lapsed
US
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Armature apparatus for motors and method for making the same
Assignee: Ambac International Corp
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Filing: 1963-03-18
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Granted: 1966-03-08
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Benjamin E Long
- 👤 Donald W Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:25
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/02; H02K23/22; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A ROTOR ASSEMBLY FOR AN ARMATURE COMPRISING A CORE STRUCTURE, AT LEAST ONE COMMUTATOR BAR AT ONE END OF SAID CORE STRUCTURE, A CONTINUOUS TRULY-BALANCED AND SHORT-CIRCUITING ARMATURE WINDING ON THE CORE STRUCTURE, SAID WINDING COMPRISING AN ELONGATED FILAMENTARY ELEMENT OF ELECTRICAL CONDUCTIVE MATERIAL, A MAJOR PORTION OF WHICH IS WOUND IN A PREDETERMINED MANNER ON SAID CORE STRUCTURE TO PROVIDE THE TRULY BALANCED ARMATURE WINDING, AND AN END PORTION OF WHICH IS CONNECTED AT LEAST AT TWO SPACED APART POINTS ALONG ITS LENGTH TO SAID COMMUTATOR BAR TO PROVIDE AT LEAST ONE ELECTRICALLY CLOSED LOOP ON SAID CORE STRUCTURE FOR PRODUCING SAID SHORT CIRCUITING.
Claim 2
Dependent Claim
105 words
A ROTOR ASSEMBLY FOR AN ARMATURE COMPRISING A CORE STRUCTURE, AT LEAST ONE COMMUTATOR BAR AT ONE END OF SAID CORE STRUCTURE, A CONTINUOUS TRULY-BALANCED AND SHORT-CIRCUITING ARMATURE WINDING ON THE CORE STRUCTURE, SAID WINDING COMPRISING AN ELONGATED FILAMENTARY ELEMENT OF ELECTRICAL CONDUCTIVE MATERIAL, A MAJOR PORTION OF WHICH IS WOUND IN A PREDETERMINED MANNER ON SAID CORE STRUCTURE TO PROVIDE THE TRULY BALANCED ARMATURE WINDING, AND AN END PORTION OF WHICH IS CONNECTED AT LEAST AT TWO SPACED APART POINTS ALONG ITS LENGTH TO SAID COMMUTATOR BAR TO PROVIDE AT LEAST ONE ELECTRICALLY CLOSED LOOP ON SAID CORE STRUCTURE FOR PRODUCING SAID SHORT CIRCUITING.
References Cited (Backward Citations)
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |