Patent US3173047A successfully refreshed from Google Patents.
US3173047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical brush and connector assembly
Assignee: Union Carbide Corp
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Filing: 1962-08-31
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Granted: 1965-03-09
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Matz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:19
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
AN ELECTRICAL BRUSH ASSEMBLY COMPRISING A BRUSH UNIT CONSISTING OF AT LEAST ONE BRUSH BODY HAVING A BOTTOM SURFACE WHICH CONSTITUTES THE WORKING FACE OF SAID UNIT AND A TOP SURFACE WHICH CONSTITUTES THE NON-WORKING SURFACE OF SAID UNIT, SAID NON-WORKING SURFACE BEING IRREGULAR IN DISTANCE FROM SAID WORKING FACE; AND AT LEAST TWO SHUNTS ELECTRICALLY ATTACHED TO SAID BRUSH UNIT, THE LOWEST PART OF ONE OF SAID SHUNTS BEING A DISTANCE FROM SAID NON-WORKING SURFACE DIFFERENT FROM THE CORRESPONDING DISTANCE OF ANOTHER OF SAID SHUNTS, AT LEAST ONE OF SAID SHUNTS BEING ELECTRICALLY ATTACHED TO EACH BRUSH BODY BY BEING ELECTRICALLY ATTACHED TO EACH BRUSH BODY SAID BRUSH BODIES, SAID HOLE EXTENDING FROM SAID NONWORKING FACE TOWARD, BUT SHORT OF, SAID WORKING FACE OF SAID BRUSH UNIT, AND THE DEPTH OF SAID EMBEDMENT OF SAID SHUNTS BENG UNEQUAL, AND THESE DEPTHS BEING SUCH THAT THE IMPEDANCE BETWEEN THE DIFFERENT SHUNTS, AND SAID WORKING FACE OF SAID BRUSH UNIT ARE SUBSTANTIALLY EQUAL.
Claim 2
Dependent Claim
162 words
AN ELECTRICAL BRUSH ASSEMBLY COMPRISING A BRUSH UNIT CONSISTING OF AT LEAST ONE BRUSH BODY HAVING A BOTTOM SURFACE WHICH CONSTITUTES THE WORKING FACE OF SAID UNIT AND A TOP SURFACE WHICH CONSTITUTES THE NON-WORKING SURFACE OF SAID UNIT, SAID NON-WORKING SURFACE BEING IRREGULAR IN DISTANCE FROM SAID WORKING FACE; AND AT LEAST TWO SHUNTS ELECTRICALLY ATTACHED TO SAID BRUSH UNIT, THE LOWEST PART OF ONE OF SAID SHUNTS BEING A DISTANCE FROM SAID NON-WORKING SURFACE DIFFERENT FROM THE CORRESPONDING DISTANCE OF ANOTHER OF SAID SHUNTS, AT LEAST ONE OF SAID SHUNTS BEING ELECTRICALLY ATTACHED TO EACH BRUSH BODY BY BEING ELECTRICALLY ATTACHED TO EACH BRUSH BODY SAID BRUSH BODIES, SAID HOLE EXTENDING FROM SAID NONWORKING FACE TOWARD, BUT SHORT OF, SAID WORKING FACE OF SAID BRUSH UNIT, AND THE DEPTH OF SAID EMBEDMENT OF SAID SHUNTS BENG UNEQUAL, AND THESE DEPTHS BEING SUCH THAT THE IMPEDANCE BETWEEN THE DIFFERENT SHUNTS, AND SAID WORKING FACE OF SAID BRUSH UNIT ARE SUBSTANTIALLY EQUAL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |