US2749567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable tooth brush
Assignee: Individual
•
Filing: 1951-08-07
•
Granted: 1956-06-12
•
Expires: 1971-08-07
Abstract
No abstract record available.
Inventors
- 👤 Krueger Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:14
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/002; A46B5/0054; A46B5/0075; A46B13/00; A46B13/08; A46B5/0087; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE534114C
Cited
US2211817A
Cited
US2354937A
Cited
US2427411A
Cited
US2461866A
Cited
US2697657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |