US2086462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental instrument
Assignee: Individual
•
Filing: 1936-07-18
•
Granted: 1937-07-06
•
Expires: 1956-07-18
Abstract
No abstract record available.
Inventors
- 👤 David E Bost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:23
CPC Classifications
A; A61; A61C; A61C9/00; A61C9/0026; A61C13/00; A61C13/20; B; B05; B05C; B05C17/00; B05C17/005; B05C17/00503; B05C17/00516
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) | 1940-07-05 | 1941-01-04 | 1941-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-05 | 1945-01-04 | 1945-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-05 | 1949-01-04 | 1949-07-06 | $7700.00 | Window Closed / Lapsed |