US2450002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pocket toothbrush
Assignee: WALTER B KERES
•
Filing: 1946-08-12
•
Granted: 1948-09-28
•
Expires: 1966-08-12
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:21
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US743582A
Cited
US1042032A
Cited
GB191106291A
Cited
US1343570A
Cited
US1343240A
Cited
GB417439A
Cited
US2379475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-28 | 1952-03-29 | 1952-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-28 | 1956-03-29 | 1956-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-28 | 1960-03-29 | 1960-09-28 | $7700.00 | Window Closed / Lapsed |