Patent US4024874A successfully refreshed from Google Patents.
US4024874A
Expired / Lapsed
US
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Extraction device for blocked windpipes
Assignee: Rescue Products Inc
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Filing: 1975-09-30
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Granted: 1977-05-24
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Expires: 1995-09-30
Abstract
Abstract An integral one-piece plastic extraction device for extracting food or other articles from a blocked larynx or windpipe which includes an elongated handle portion and at least one ribbed bowl spoon portion at one free end thereof which is configured, arranged and dimensioned to permit removal of food dangerously lodged in a larynx or windpipe.
Inventors
- 👤 Allen Pumill Klippel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:14
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/50; A61B17/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
126 words
An integral one-piece plastic extraction device for food or other article blocked windpipes, comprising an elongated handle portion having each free end thereof being provided with a ribbed spoon bowl portion, said ribbed spoon bowl portions extending in generally opposite directions from the elongated handle portion and at an obtuse angle in a direction away from the middle thereof, each of said ribbed spoon bowl portions having sidewalls that taper convergently from the elongated handle portion to a rounded free end portion and a bottom wall which comprises a shallow curving section extending from the elongated handle portion to a tip portion in the area of juncture with the rounded free end portion, said tip portion extending above the sidewalls of each ribbed spoon bowl portion.
Claim 2
Dependent Claim
126 words
An integral one-piece plastic extraction device for food or other article blocked windpipes, comprising an elongated handle portion having each free end thereof being provided with a ribbed spoon bowl portion, said ribbed spoon bowl portions extending in generally opposite directions from the elongated handle portion and at an obtuse angle in a direction away from the middle thereof, each of said ribbed spoon bowl portions having sidewalls that taper convergently from the elongated handle portion to a rounded free end portion and a bottom wall which comprises a shallow curving section extending from the elongated handle portion to a tip portion in the area of juncture with the rounded free end portion, said tip portion extending above the sidewalls of each ribbed spoon bowl portion.
Claim 3
Dependent Claim
47 words
The extraction device as defined in claim 1 wherein the ribs of each ribbed spoon bowl portion each extend upwardly from the bottom wall and are connected to the sidewalls of said ribbed spoon bowl portions, said ribs terminating short of the uppermost portions of said sidewalls.
Claim 4
Dependent Claim
27 words
The extraction device as defined in claim 1 wherein the elongated hangle portion is connected to each ribbed spoon bowl portion for substantially the entire height thereof.
References Cited (Backward Citations)
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-23 | 1980-11-22 | 1981-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-23 | 1984-11-22 | 1985-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-23 | 1988-11-22 | 1989-05-24 | $7700.00 | Window Closed / Lapsed |