US2916752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor driven rotary tooth brush
Assignee: Individual
•
Filing: 1954-07-06
•
Granted: 1959-12-15
•
Expires: 1974-07-06
Abstract
No abstract record available.
Inventors
- 👤 Leslie N Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:34
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190515896A
Cited
GB375006A
Cited
US2183415A
Cited
US2646146A
Cited
DE853045C
Cited
US2654407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |