US3108201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush holder assembly
Assignee: Skil Corp
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Filing: 1960-07-08
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Granted: 1963-10-22
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Expires: 1980-07-08
Abstract
No abstract record available.
Inventors
- 👤 David N Summerfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:56
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/148
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
27 words
IN A BRUSH HOLDER ASSEMBLY FOR ROTARY ELECTRIC MOTOR, THE COMBINATION WITH AN INSULATED CARBON BRUSH HOLDER HAVING A BORE CLOSED AT ONE END TO RECEIVE AND
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |