US3104347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural motor powered toothbrush
Assignee: Individual
•
Filing: 1961-12-22
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Granted: 1963-09-17
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Dresen Esbern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:11
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26; H; H02; H02K; H02K7/00; H02K7/14; H02K7/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A POWERED REVERSIBLE TOOTHBRUSH, A HOUSING, A SOCKET MOUNTED ROTATABLY AT ONE END OF THE HOUSING, A FIRST MOTOR ROTATABLE IN ONE DIRECTION AND MOUNTED IN THE HOUSING, A HOLLOW DRIVE SHAFT HAVING A SLIDABLE DRIVEN CONNECTION WITH THE FIRST MOTOR, A SECOND MOTOR ROTATABLE IN THE OPPOSITE DIRECTION TO THE FIRST MOTOR AND MOUNTED IN THE HOUSING, A SOLID DRIVE SHAFT MOUNTED SLIDABLY IN THE HOLLOW DRIVE SHAFT COAXIALLY THEREWITH AND HAVING A SLIDABLE DRIVEN CONNECTION WITH THE SECOND MOTOR, MEANS
Claim 2
Dependent Claim
83 words
IN A POWERED REVERSIBLE TOOTHBRUSH, A HOUSING, A SOCKET MOUNTED ROTATABLY AT ONE END OF THE HOUSING, A FIRST MOTOR ROTATABLE IN ONE DIRECTION AND MOUNTED IN THE HOUSING, A HOLLOW DRIVE SHAFT HAVING A SLIDABLE DRIVEN CONNECTION WITH THE FIRST MOTOR, A SECOND MOTOR ROTATABLE IN THE OPPOSITE DIRECTION TO THE FIRST MOTOR AND MOUNTED IN THE HOUSING, A SOLID DRIVE SHAFT MOUNTED SLIDABLY IN THE HOLLOW DRIVE SHAFT COAXIALLY THEREWITH AND HAVING A SLIDABLE DRIVEN CONNECTION WITH THE SECOND MOTOR, MEANS
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |