US3108300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-driven rotary toothbrush and liquid applicator
Assignee: Individual
•
Filing: 1959-03-06
•
Granted: 1963-10-29
•
Expires: 1979-03-06
Abstract
No abstract record available.
Inventors
- 👤 John L Richmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:22
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26; A61C17/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2150842A
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US2420338A
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US2515570A
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US2548541A
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US2682067A
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US2636502A
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US2806236A
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US2790680A
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US2887250A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |