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US2347553A
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US
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Method of and apparatus for performing dental operations
Assignee: Individual
•
Filing: 1939-01-10
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Granted: 1944-04-25
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Expires: 1959-01-10
Abstract
No abstract record available.
Inventors
- 👤 John L Gothers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:19
CPC Classifications
A; A61; A61C; A61C19/00
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) | 1947-04-25 | 1947-10-25 | 1948-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-25 | 1951-10-25 | 1952-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-25 | 1955-10-25 | 1956-04-25 | $7700.00 | Window Closed / Lapsed |