US2877477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audible tooth brush
Assignee: MILTON B SILVERMAN
•
Filing: 1955-12-12
•
Granted: 1959-03-17
•
Expires: 1975-12-12
Abstract
No abstract record available.
Inventors
- 👤 Jack J Levin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:54
CPC Classifications
A; A46; A46B; A46B15/00; A46B15/0002; A46B15/0004; A46B15/0006; A46B15/0038; A46B15/004; A46B15/0042; A46B2200/00; A46B2200/10; A46B2200/1066; A46B5/00; A46B5/002; A46B5/0054; A46B5/0058
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) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |