US2662238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush guard
Assignee: Individual
•
Filing: 1950-12-21
•
Granted: 1953-12-15
•
Expires: 1970-12-21
Abstract
No abstract record available.
Inventors
- 👤 William G Robey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:31
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1792188A
Cited
FR752046A
Cited
US2275247A
Cited
US2279982A
Cited
US2310626A
Cited
US2446995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |