US2666954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making toothbrushes
Assignee: Individual
•
Filing: 1952-11-29
•
Granted: 1954-01-26
•
Expires: 1972-11-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:00
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29C44/569; B29C44/02; B29C44/12; B29C44/1285; B29C44/3492; B29C44/3496; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 0
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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) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |