US4069820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intubating pharyngeal airway
Assignee: CREDITANSTALT-BANKVEREIN
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Filing: 1977-03-15
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Granted: 1978-01-24
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Expires: 1997-03-15
Abstract
Abstract A intubating pharyngeal airway having a side access for passage of a tube on the said airway comprising a flanged stop at the proximal end, a curved airway central tubular member and a distal ball tip adapted to fit into the vallecular. The side opening may be expanded or closed by means of either a hinge on the opposite side wall of the tube or by a cap or insert closure.
Inventors
- 👤 Robert A. Berman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:37
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0488; A61M16/049; A61M16/0493; A61M16/0495
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
84 words
An intubating airway, comprising: a. a tubular longitudinally extending body member said body member having a longitudinally extending side opening, defined therein, b. said member having a distal end for insertion into the mouth and throat of a patient and a proximal end for location at the mouth of the patient, and c. a cap closure member, said cap closure member comprising a U-shaped channel removably engaged and secured over said body member at said side opening to cover said longitudinally extending side opening.
Claim 2
Dependent Claim
84 words
An intubating airway, comprising: a. a tubular longitudinally extending body member said body member having a longitudinally extending side opening, defined therein, b. said member having a distal end for insertion into the mouth and throat of a patient and a proximal end for location at the mouth of the patient, and c. a cap closure member, said cap closure member comprising a U-shaped channel removably engaged and secured over said body member at said side opening to cover said longitudinally extending side opening.
Claim 3
Dependent Claim
26 words
An intubating airway in accordance with claim 1, wherein the length of said cap closure member is substantially the length of said longitudinally extending side opening.
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) | 1981-01-23 | 1981-07-25 | 1982-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-23 | 1985-07-25 | 1986-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-23 | 1989-07-25 | 1990-01-24 | $7700.00 | Window Closed / Lapsed |