US2451192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental tool attachment
Assignee: Chayes Dental Instrument Corp
•
Filing: 1945-11-05
•
Granted: 1948-10-12
•
Expires: 1965-11-05
Abstract
No abstract record available.
Inventors
- 👤 James H Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:41
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/18; A61C1/181; A61C1/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1380717A
Cited
US1740796A
Cited
US1838982A
Cited
US2005849A
Cited
US2043028A
Cited
US2263808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-12 | 1952-04-12 | 1952-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-12 | 1956-04-12 | 1956-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-12 | 1960-04-12 | 1960-10-12 | $7700.00 | Window Closed / Lapsed |