Patent US4188710A successfully refreshed from Google Patents.
Patent US3270850A successfully refreshed from Google Patents.
Patent US2623552A successfully refreshed from Google Patents.
Patent US4744029A successfully refreshed from Google Patents.
Patent US2865038A successfully refreshed from Google Patents.
US2865038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushable tooth brush
Assignee: Individual
•
Filing: 1956-04-09
•
Granted: 1958-12-23
•
Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Versteeg John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:38
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |