Patent US2697432A successfully refreshed from Google Patents.
US2697432A
Expired / Lapsed
US
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Mouth gag with anaesthetic tube for surgical use
Assignee: Individual
•
Filing: 1952-03-07
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Granted: 1954-12-21
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Expires: 1972-03-07
Abstract
No abstract record available.
Inventors
- 👤 Silas F Scinta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:30
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0488; A61B; A61B1/00; A61B1/24; A61M16/049; A61M16/0495; A61M16/01
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) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |