US3885312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saliva extractor
Assignee: Panasonic Corp of North America
•
Filing: 1973-08-30
•
Granted: 1975-05-27
•
Expires: 1993-08-30
Abstract
Abstract A saliva extractor device which is characterized by two tubes that have unique configurations and which partially telescope together.
Inventors
- 👤 Elling Harald Nordin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:12
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/06; A61C17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
257 words
A two-part saliva extractor device which is characterized by: a. a first tube that is primarily intended to be positioned on the outside of the mouth of a dental patient, b. a second tube that is primarily intended to be positioned on the inside of the mouth of a dental patient, c. said first tube having a first end that is adapted to be connected to a suction line, d. said first tube having a curvature somewhat similar to the letter S, one portion of which is adapted to fit against the front outside portion and the exterior underside of a dental patient''s chin, e. said second tube having a curvature which resembles the combination of an L section and a J section joined together at the upper ends of their ''''long leg'''' portions so as to form a V therebetween, f. the short leg portion of the L section of said second tube fitting telescopically within the outer end of said first tube so that the combined shape of said L section and said first tube is a generally U-shaped clamp that fits around the chin and lower mouth portion of a dental patient, g. said second tube having suction holes therein, h. said J section of said second tube being shaped to hold a piece of cotton, i. the portions of said first and second tubes that telescope together being in the form of moderate arcs, and j. said section holes being in the long leg portion of the L section of said second tube.
Claim 2
Dependent Claim
257 words
A two-part saliva extractor device which is characterized by: a. a first tube that is primarily intended to be positioned on the outside of the mouth of a dental patient, b. a second tube that is primarily intended to be positioned on the inside of the mouth of a dental patient, c. said first tube having a first end that is adapted to be connected to a suction line, d. said first tube having a curvature somewhat similar to the letter S, one portion of which is adapted to fit against the front outside portion and the exterior underside of a dental patient''s chin, e. said second tube having a curvature which resembles the combination of an L section and a J section joined together at the upper ends of their ''''long leg'''' portions so as to form a V therebetween, f. the short leg portion of the L section of said second tube fitting telescopically within the outer end of said first tube so that the combined shape of said L section and said first tube is a generally U-shaped clamp that fits around the chin and lower mouth portion of a dental patient, g. said second tube having suction holes therein, h. said J section of said second tube being shaped to hold a piece of cotton, i. the portions of said first and second tubes that telescope together being in the form of moderate arcs, and j. said section holes being in the long leg portion of the L section of said second tube.
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) | 1978-05-26 | 1978-11-25 | 1979-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-26 | 1982-11-25 | 1983-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-26 | 1986-11-25 | 1987-05-27 | $7700.00 | Window Closed / Lapsed |