Patent US3379952A successfully refreshed from Google Patents.
US3379952A
Expired / Lapsed
US
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Electric toothbrush which is rechargeable with or without a recharging stand
Assignee: Individual
•
Filing: 1965-08-24
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Granted: 1968-04-23
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Expires: 1985-08-24
Abstract
No abstract record available.
Inventors
- 👤 Emanuel B Tarrson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:50
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/70; H02J7/751; A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/224; A61C2204/00; A61C2204/002; Y; Y10; Y10S; Y10S439/00; Y10S439/929
Claims Analysis
Total Claims: 0
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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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |