US3127533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush lead connection for dynamoelectric machine
Assignee: Motors Liquidation Co
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Filing: 1961-02-24
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Granted: 1964-03-31
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Expires: 1981-02-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Grayson E Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:33
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/148
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A BRUSH ASSEMBLY FOR A DYNAMOELECTRIC MACHINE COMPRISING A GENERALLY CHANNEL SHAPED BRUSH CASING HAVING A PAIR OF KEYHOLE OPENINGS IN THE SIDE WALLS THEREOF, SAID OPENINGS EXTENDING GENERALLY FROM THE REARWARD END TOWARD THE FORWARD END OF SAID CASING, A BRUSH FITTING SLIDABLY IN SAID CASING AT THE FORWARD END THEREOF, AN ELECTRICAL LEAD CONNECTED TO SAID BRUSH, AN ELONGATE MEMBER CONNECTED TO SAID LEAD AT A POINT SPACED FROM SAID BRUSH, SAID MEMBER BEING TRANSVERSELY INSERTABLE ONLY THROUGH THE FORWARD ENDS OF SAID KEYHOLE OPENINGS IN SAID BRUSH CASING AND SLIDABLE TO THE REARWARD ENDS OF SAID OPENINGS, AND A SPRING BIASED BETWEEN SAID MEMBER AND SAID BRUSH FOR MAINTAINING SAID MEMBER AT THE REARWARD ENDS OF SAID OPENINGS.
Claim 2
Dependent Claim
121 words
A BRUSH ASSEMBLY FOR A DYNAMOELECTRIC MACHINE COMPRISING A GENERALLY CHANNEL SHAPED BRUSH CASING HAVING A PAIR OF KEYHOLE OPENINGS IN THE SIDE WALLS THEREOF, SAID OPENINGS EXTENDING GENERALLY FROM THE REARWARD END TOWARD THE FORWARD END OF SAID CASING, A BRUSH FITTING SLIDABLY IN SAID CASING AT THE FORWARD END THEREOF, AN ELECTRICAL LEAD CONNECTED TO SAID BRUSH, AN ELONGATE MEMBER CONNECTED TO SAID LEAD AT A POINT SPACED FROM SAID BRUSH, SAID MEMBER BEING TRANSVERSELY INSERTABLE ONLY THROUGH THE FORWARD ENDS OF SAID KEYHOLE OPENINGS IN SAID BRUSH CASING AND SLIDABLE TO THE REARWARD ENDS OF SAID OPENINGS, AND A SPRING BIASED BETWEEN SAID MEMBER AND SAID BRUSH FOR MAINTAINING SAID MEMBER AT THE REARWARD ENDS OF SAID OPENINGS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |