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US2675615A
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Guide for dentists' drills
Assignee: Individual
•
Filing: 1952-11-24
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Granted: 1954-04-20
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Expires: 1972-11-24
Abstract
No abstract record available.
Inventors
- 👤 Rosenberg Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:58
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/082; A61C19/00; A61C19/04; A61C19/055
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2233722A
Cited
US2318403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |