US3864831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saliva ejector
Assignee: Individual
•
Filing: 1973-10-23
•
Granted: 1975-02-11
•
Expires: 1993-10-23
Abstract
Abstract A pliant, light-weight saliva ejector which comprises a tubular stem having an inverted U-shaped end portion and a hollow, flexible collector head mounted on said end portion and in communication with said tubular stem. The collector head is provided with a plurality of perforations for inducting saliva therethrough and with a plurality of substantially parallel accordion pleats in outer wall of the collector head.
Inventors
- 👤 Daniel H Drake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:42
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/06; A61C17/08
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
140 words
A pliant, light-weight saliva ejector for a patient comprising a tubular stem adapted for communication with an aspirator means and having an inverted U-shaped end portion adapted to rest upon the lower jaw of said patient and terminating above the floor of said patient''s mouth, and a hollow, flexible, elongated collector head mounted on said inverted U-shaped end portion in communication with said tubular stem and adapted to be received in said patient''s mouth; said collector head having a plurality of spaced perforations for inducting saliva therethrough and a plurality of substantially parallel accordion pleats in an outer wall of the collector head extending in a longitudinal direction about the periphery of the collector head and turning upward at each end providing adaptibility for said collector head to physical features of said patient''s mouth by both lateral and vertical flexing.
Claim 2
Dependent Claim
140 words
A pliant, light-weight saliva ejector for a patient comprising a tubular stem adapted for communication with an aspirator means and having an inverted U-shaped end portion adapted to rest upon the lower jaw of said patient and terminating above the floor of said patient''s mouth, and a hollow, flexible, elongated collector head mounted on said inverted U-shaped end portion in communication with said tubular stem and adapted to be received in said patient''s mouth; said collector head having a plurality of spaced perforations for inducting saliva therethrough and a plurality of substantially parallel accordion pleats in an outer wall of the collector head extending in a longitudinal direction about the periphery of the collector head and turning upward at each end providing adaptibility for said collector head to physical features of said patient''s mouth by both lateral and vertical flexing.
Claim 3
Dependent Claim
17 words
The saliva ejector in accordance with claim 1 wherein the collector head is made of latex rubber.
Claim 4
Dependent Claim
23 words
The saliva ejector in accordance with claim 1 wherein vertical grooves between said accordion pleats have an included angle of about 60 degrees.
Claim 5
Dependent Claim
25 words
The saliva ejector in accordance with claim 1 wherein the collector head is mounted on said end portion near one end of the collector head.
Claim 6
Dependent Claim
22 words
The saliva ejector in accordance with claim 1 wherein said flexible collector head is rotatably mounted on said inverted U-shaped end portion.
References Cited (Backward Citations)
US1698331A
Cited
US3373492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-10 | 1978-08-12 | 1979-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-10 | 1982-08-12 | 1983-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-10 | 1986-08-12 | 1987-02-11 | $7700.00 | Window Closed / Lapsed |