US2424895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental impression composition
Assignee: Individual
•
Filing: 1942-10-30
•
Granted: 1947-07-29
•
Expires: 1962-10-30
Abstract
No abstract record available.
Inventors
- 👤 Stanley E Noyes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:13
CPC Classifications
A; A61; A61K; A61K6/00; A61K6/90
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) | 1950-07-28 | 1951-01-27 | 1951-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-28 | 1955-01-27 | 1955-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-28 | 1959-01-27 | 1959-07-29 | $7700.00 | Window Closed / Lapsed |