Patent US4005549A successfully refreshed from Google Patents.
US2655676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary toothbrush with lip guard
Assignee: Individual
•
Filing: 1946-10-24
•
Granted: 1953-10-20
•
Expires: 1966-10-24
Abstract
No abstract record available.
Inventors
- 👤 Donald P Grover
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; A61C17/24; A61C17/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1091314A
Cited
US1430033A
Cited
US1593803A
Cited
US1555522A
Cited
US1578495A
Cited
US1579196A
Cited
US1743898A
Cited
US1927566A
Cited
US1965885A
Cited
US1922238A
Cited
US1951851A
Cited
CH168085A
Cited
US2057499A
Cited
US2215031A
Cited
US2250975A
Cited
FR913810A
Cited
US2400723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |