US2642604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Massaging attachment for toothbrushes
Assignee: Individual
•
Filing: 1947-05-17
•
Granted: 1953-06-23
•
Expires: 1967-05-17
Abstract
No abstract record available.
Inventors
- 👤 Amerigo J Ferrari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:58
CPC Classifications
A; A46; A46B; A46B15/00; A46B15/0055; A46B15/0075; A61; A61H; A61H13/00; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1022920A
Cited
US1251250A
Cited
US1408520A
Cited
US1993662A
Cited
US2139245A
Cited
GB495982A
Cited
US2418485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |