US3143677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush holder assembly
Assignee: Motors Liquidation Co
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Filing: 1962-04-09
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Granted: 1964-08-04
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Paul S Heiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:50
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/148; H01; H01R; H01R39/00; H01R39/02; H01R39/04; H01R39/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
IN A DYNAMOELECTRIC MACHINE HAVING A FRAME AND A PAIR OF END CAPS ENCLOSING THE ENDS OF SAID FRAME, AN ARMATURE HAVING A SHAFT JOURNALLED IN SAID END CAPS AND CARRYING A CURRENT COLLECTOR MEMBER, AN INTEGRAL BRUSH PLATE AND BRUSH BOX ASSEMBLY OF INSULATING MATERIAL HAVING RADIALLY EXTENDING LUG MEANS, A PAIR OF BRUSH BOXES AND A SHAFT RECEIVING OPENING, SAID FRAME HAVING AN ELONGATE AXIAL SLOT MEANS RECEIVING SAID LUG MEANS FOR RESTRAINING ROTATION OF SAID ASSEMBLY RELATIVE TO SAID FRAME, A BRUSH DISPOSED IN EACH BRUSH BOX FOR ENGAGEMENT WITH SAID CURRENT COLLECTOR MEMBER, AND A SPRING WASHER ASSEMBLY REACTING BETWEEN ONE OF SAID END CAPS AND SAID ASSEMBLY FOR BIASING SAID ASSEMBLY AXIALLY INTO ENGAGEMENT WITH SAID CURRENT COLLECTOR MEMBER.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 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 |