Patent US3142854A successfully refreshed from Google Patents.
US3142854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary brush comprising an annular bristle carrier and a circle of bristles
Assignee: Individual
•
Filing: 1963-03-12
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Granted: 1964-08-04
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Expires: 1983-03-12
Abstract
No abstract record available.
Inventors
- 👤 Nielsen Albert Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:55
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1125153A
Cited
DE323094C
Cited
DE549722C
Cited
US832805A
Cited
GB190016986A
Cited
US840106A
Cited
US2160029A
Cited
US2267850A
Cited
US2616111A
Cited
GB754953A
Cited
US2907064A
Cited
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 |