Patent US3564636A successfully refreshed from Google Patents.
US3564636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brushing device
Assignee: Individual
•
Filing: 1969-01-06
•
Granted: 1971-02-23
•
Expires: 1989-01-06
Abstract
Abstract A PAIR OF ROUND CUPS ARE ADAPTED FOR ABUTMENT ON THEIR OPEN ENDS, AND HAVE APERTURES IN THEIR BOTTOMS THROUGH WHICH PLUGS EXTEND, THE LATTER CARRYING DISC-SHAPED BRUSHES ON THEIR INNER ENDS AND PROJECTING OUTWARDLY TO A POSITION WHERE THEY MAY BE CONTACTED BY TE PALMS OF THE HANDS OF THE USER TO PRESS THE BRUSH-CARRYING DISCS TOWARD EACH OTHER, THE ROUND CUPS BEING AT THE SAME TIME GRIPPED BY THE FINGERS OF THE USER AND PARTIALLY ROTATED IN REVERSE DIRECTIONS, THEREBY EFFECTIVELY BRUSHING AN ARTIFICIAL DENTURE WHICH IS POSITIONED BETWEEN SAID BRUSHES.
Inventors
- 👤 Herbert J Tomer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:34
CPC Classifications
A; A46; A46B; A46B15/00; A46B2200/00; A46B2200/10; A46B2200/1066; A46B2200/1073
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |