US2431861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush
Assignee: Individual
•
Filing: 1945-06-01
•
Granted: 1947-12-02
•
Expires: 1965-06-01
Abstract
No abstract record available.
Inventors
- 👤 Babe Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:53
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/04; A46B9/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1323042A
Cited
CA171048A
Cited
FR574577A
Cited
US1639880A
Cited
US1647453A
Cited
US2066772A
Cited
US2114947A
Cited
US2140294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |