US2751685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor driven dental scaler
Assignee: Individual
•
Filing: 1954-11-05
•
Granted: 1956-06-26
•
Expires: 1974-11-05
Abstract
No abstract record available.
Inventors
- 👤 Irving M Sharon
- 👤 William W Scherer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:19
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/18; A61C1/185; A61C17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |