US3290524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush holder assembly for insulated housing
Assignee: Black and Decker Corp
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Filing: 1964-03-25
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Granted: 1966-12-06
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Expires: 1984-03-25
Abstract
No abstract record available.
Inventors
- 👤 Jr George E Maffey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:55
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/148
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
A BRUSH HOLDER ASSEMBLY FOR A HOUSING MADE FROM AN INSULATING MATERIAL, COMPRISING, IN COMBINATION: (A) A CONDUCTIVE BRUSH HOLDER INSERT SECURED WITHIN THE HOUSING; (B) A BRUSH SLIDABLY GUIDED WITHIN SAID INSERT AND ELECTRICALLY CONNECTED THERETO; (C) A RECESS FORMED IN THE HOUSING AND COMMUNICATING WITH SAID INSERT; (D) SAID RECESS BEING SUBSTANTIALLY CLOSED AND HAVING AN OPENING THROUGH WHICH SAID RECESS IS ACCESSIBLE; (E) A CONDUCTOR HAVING A TERMINAL SECURED THERETO, SAID TERMINAL BEING RECEIVED THROUGH SAID OPENING IN SAID RECESS AND ENGAGING SAID INSERT; (F) A WINDOW FORMED IN THE HOUSING FACING SAID RECESS; AND (G) A COVER PLATE MADE FROM AN INSULATING MATERIAL, SEATED IN SAID WINDOW, AND SECURED TO THE HOUSING; (H) SAID PLATE HAVING A PORTION SUBSTANTIALLY FITTING OVER SAID OPENING IN SAID RECESS TO TRAP SAID TERMINAL THEREIN.
References Cited (Backward Citations)
CA475514A
Cited
GB503229A
Cited
US2372660A
Cited
US2444826A
Cited
US2748301A
Cited
US2773209A
Cited
US3210577A
Cited
US3187214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |