US2421698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for casting dental restorations
Assignee: Individual
•
Filing: 1946-01-04
•
Granted: 1947-06-03
•
Expires: 1966-01-04
Abstract
No abstract record available.
Inventors
- 👤 Hordes Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:37
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/0003; A61C13/20; A61C13/206
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US304766A
Cited
US1193645A
Cited
US1307299A
Cited
US1541869A
Cited
US1387558A
Cited
US1724691A
Cited
US1765109A
Cited
US2279952A
Cited
US2334078A
Cited
US2359152A
Cited
US2397264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-02 | 1950-12-02 | 1951-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-02 | 1954-12-02 | 1955-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-02 | 1958-12-02 | 1959-06-03 | $7700.00 | Window Closed / Lapsed |