US2317008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental restoration
Assignee: Individual
•
Filing: 1941-05-29
•
Granted: 1943-04-20
•
Expires: 1961-05-29
Abstract
No abstract record available.
Inventors
- 👤 Wilbert A Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:25
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/01; A61C13/04; A61C5/00; A61C5/70; A61C5/77; A61C13/20; A61C13/206
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) | 1946-04-19 | 1946-10-19 | 1947-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-19 | 1950-10-19 | 1951-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-19 | 1954-10-19 | 1955-04-20 | $7700.00 | Window Closed / Lapsed |