US2668973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush having a removable head
Assignee: Individual
•
Filing: 1947-12-18
•
Granted: 1954-02-16
•
Expires: 1967-12-18
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Glaza
- 👤 William C Glaza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:25
CPC Classifications
A; A46; A46B; A46B7/00; A46B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US730040A
Cited
US959574A
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GB190924478A
Cited
US1199288A
Cited
US1407214A
Cited
US1744271A
Cited
US1731751A
Cited
GB339485A
Cited
US1947720A
Cited
US2486062A
Cited
US2617660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |