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US2705959A
Expired / Lapsed
US
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Oro-pharyngeal suction airway
Assignee: URSULA Z JANIS
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Filing: 1953-12-08
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Granted: 1955-04-12
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Expires: 1973-12-08
Abstract
No abstract record available.
Inventors
- 👤 Carol A Elmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:08
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0021; A61B; A61B1/00; A61B1/267; A61M16/00; A61M16/04; A61M16/0488; A61M16/049; A61M16/0493; A61M16/0495; A61M25/0023; A61M25/0026; A61M2025/0037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2127215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |