Patent US2386074A successfully refreshed from Google Patents.
US3274631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric cordless toothbrush
Assignee: Sunbeam Corp
•
Filing: 1964-03-20
•
Granted: 1966-09-27
•
Expires: 1984-03-20
Abstract
No abstract record available.
Inventors
- 👤 Albert R Spohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:20
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/225; A61C17/224; A61C17/32; A61C17/34; A61C17/3409; A61C17/3418; H; H01; H01H; H01H13/00; H01H13/02; H01H13/04; H01H13/08; H02; H02J; H02J4/00; H02J4/20; H02J4/25; H02J50/00; H02J50/40; H02J50/402; H02J7/00; H02J7/02; H02J7/70; H02J7/751; A61C2204/00; A61C2204/002
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
144 words
A POWER UNIT FOR AN ELECTRIC TOOTHBRUSH COMPRISING A GENERALLY CYLINDRICAL CASING HAVING AN OPEN END AND A CLOSED END, MEANS DEFINING AN OPENING IN SAID CLOSED END, A SUBASSEMBLY ADAPTED TO BE INSERTED INTO SAID CASING THROUGH SAID OPEN END, SAID SUBASSEMBLY COMPRISING AN ELECTRIC MOTOR, A DIRVING MECHANISM, AN ELECTRIC SWITCH AND SUPPORT MEANS, A HOUSING FOR SAID MOTOR OPEN AT ONE END, SAID SUPPORT MEANS COMPRISING A MECHANISM SUPPORT FOR SAID DRIVING MECHANISM, SAID SUPPORT MEANS INCLUDING A LOWER PORTION CLOSING THE OPEN END OF SAID MOTOR HOUSING AND AN ELONGATED U-SHAPED UPPER PORTION, SAID USHAPED UPPER PORTION BEING GENERALLY CONCETRIC WITH SAID CYLINDRICAL CASING, AN OUTPUT DRIVE SHAFT DRIVINGLY CONNECTED TO SAID MOTOR THROUGH SAID DRIVING MECHANISM ADAPTED TO EXTEND THROUGH SAID OPENING UPON INSERTION OF SAID SUBASSEMBLY INTO SAID CASING, AND MEANS FOR CLOSING THE OPEN OF SAID CASING.
References Cited (Backward Citations)
CA671982A
Cited
US2158738A
Cited
US2875458A
Cited
US2880737A
Cited
US3005141A
Cited
US3104405A
Cited
US3132227A
Cited
US3072938A
Cited
US3143697A
Cited
US3142852A
Cited
US3156804A
Cited
FR1345588A
Cited
US3156936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |