US2731722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental attachment
Assignee: Individual
•
Filing: 1954-08-09
•
Granted: 1956-01-24
•
Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Wilen Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:30
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US816685A
Cited
US1516933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |