US3145404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric toothbrush
Assignee: Knapp Monarch Co
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Filing: 1963-03-04
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Granted: 1964-08-25
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Fiedler Edward Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:21
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26; H; H01; H01F; H01F27/00; H01F27/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A RECHARGEABLE CORDLESS ELECTRICAL APPLIANCE, A HOUSING, A MOTOR THEREIN, AN IMPLEMENT DRIVEN BY SAID MOTOR, A LOW VOLTAGE RECHARGEABLE SOURCE OF ELECTRICITY WITHIN SAID HOUSING FOR ENERGIZING SAID MOTOR, MEANS CARRIED BY SAID HOUSING AND ELECTRICALLY CONNECTED TO SAID RECHARGEABLE SOURCE FOR RECHARGING SAID VOLTAGE SOURCE INCLUDING EXPOSABLE CONNECTOR PRONGS CARRIED BY SAID HOUSING, A COVER FOR SAID CONNECTOR PRONGS WHICH REQUIRES REMOVAL TO PERMIT SAID CONNECTOR PRONGS TO BE CONNECTED WITH A HIGH VOLTAGE SOURCE FOR RECHARGING SAID LOW VOLTAGE SOURCE, A CIRCUIT BETWEEN SAID LOW VOLTAGE SOURCE AND SAID MOTOR, SAID CIRCUIT HAVING A GAP THEREIN, AND MEANS CARRIED BY SAID COVER FOR BRIDGING SAID GAP TO PERMIT SAID LOW VOLTAGE SOURCE TO ENERGIZE SAID MOTOR.
Claim 2
Dependent Claim
120 words
IN A RECHARGEABLE CORDLESS ELECTRICAL APPLIANCE, A HOUSING, A MOTOR THEREIN, AN IMPLEMENT DRIVEN BY SAID MOTOR, A LOW VOLTAGE RECHARGEABLE SOURCE OF ELECTRICITY WITHIN SAID HOUSING FOR ENERGIZING SAID MOTOR, MEANS CARRIED BY SAID HOUSING AND ELECTRICALLY CONNECTED TO SAID RECHARGEABLE SOURCE FOR RECHARGING SAID VOLTAGE SOURCE INCLUDING EXPOSABLE CONNECTOR PRONGS CARRIED BY SAID HOUSING, A COVER FOR SAID CONNECTOR PRONGS WHICH REQUIRES REMOVAL TO PERMIT SAID CONNECTOR PRONGS TO BE CONNECTED WITH A HIGH VOLTAGE SOURCE FOR RECHARGING SAID LOW VOLTAGE SOURCE, A CIRCUIT BETWEEN SAID LOW VOLTAGE SOURCE AND SAID MOTOR, SAID CIRCUIT HAVING A GAP THEREIN, AND MEANS CARRIED BY SAID COVER FOR BRIDGING SAID GAP TO PERMIT SAID LOW VOLTAGE SOURCE TO ENERGIZE SAID MOTOR.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |