Patent FR2105692A5 successfully refreshed from Google Patents.
US2318845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental resin
Assignee: AUSTENAL LAB Inc
•
Filing: 1940-03-23
•
Granted: 1943-05-11
•
Expires: 1960-03-23
Abstract
No abstract record available.
Inventors
- 👤 Roy C Feagin
- 👤 Charles H Prange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:49
CPC Classifications
C; C08; C08F; C08F265/00; C08F265/04; C08F265/06; A; A61; A61K; A61K6/00; A61K6/80; A61K6/884; A61K6/887
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1946-05-10 | 1946-11-09 | 1947-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-10 | 1950-11-09 | 1951-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-10 | 1954-11-09 | 1955-05-11 | $7700.00 | Window Closed / Lapsed |