US2154168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dentifrice
Assignee: Individual
•
Filing: 1936-12-29
•
Granted: 1939-04-11
•
Expires: 1956-12-29
Abstract
No abstract record available.
Inventors
- 👤 Klein Henry
- 👤 Kaplan Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K8/645; A61K8/96; A61K8/97; A61K8/9728; A61K8/9783; A61Q; A61Q11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-04-10 | 1942-10-10 | 1943-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-04-10 | 1946-10-10 | 1947-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-04-10 | 1950-10-10 | 1951-04-11 | $7700.00 | Window Closed / Lapsed |