US2911660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power tooth brush
Assignee: Individual
•
Filing: 1957-09-16
•
Granted: 1959-11-10
•
Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 Klemas Seymour
- 👤 James R Kaye
- 👤 Lowell M Kaye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:26
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26; A61C17/222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US789385A
Cited
US873123A
Cited
US1480461A
Cited
US1598411A
Cited
US2598275A
Cited
US2808602A
Cited
US2778043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |