Patent US4135528A successfully refreshed from Google Patents.
US4135528A
Expired / Lapsed
US
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Interdental stimulator
Assignee: Marvin M Stark Res Foundation
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Filing: 1977-03-31
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Granted: 1979-01-23
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Expires: 1997-03-31
Abstract
Abstract An interdental stimulator for use with human teeth in situ is formed of a stick of clear wood, preferably European sycamore, elongated in the direction of the wood grain and for the most part being substantially rectangular in transverse cross-section. One end portion of the stick is conformed to define two mutually inclined, longitudinally extending, approximately planar side surfaces. This end portion is substantially triangular in transverse cross-section and is truncated to form an inclined planar surface opposite the apex or ridge of the triangular portion. The end portion in transverse cross-section is of a size to be at least partly received in the normal interproximal spaces between human teeth.
Inventors
- 👤 Marvin M. Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:58
CPC Classifications
A; A61; A61C; A61C15/00; A61C15/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
206 words
An interdental stimulator comprising a straight stick of clear wood elongated in the direction of the wood grain and for the most part being bounded by a top planar surface, a bottom planar surface, and two planar, lateral surfaces and being substantially rectangular in cross-section in a plane normal to said direction, one end portion of said stick being defined between said top planar surface and only two side surfaces, there being near the end of said stick a portion defined by said two mutually inclined, longitudinal, approximately planar but partly concave side surfaces, said side surfaces intersecting in a longitudinally extending bottom ridge inclined with respect to said direction and said side surfaces merging smoothly with said lateral surfaces, said end portion being substantially triangular in cross-section in a plane normal to said direction and being no greater in cross-sectional area than the cross-sectional area of said rectangular portion, said end portion also being truncated to form a planar surface inclined with respect to said direction, merging with said top planar surface and located opposite the bottom ridge apex of said triangular portion, and said end portion being of a size to be at least partly received in the normal interproximal spaces between human teeth.
Claim 2
Dependent Claim
206 words
An interdental stimulator comprising a straight stick of clear wood elongated in the direction of the wood grain and for the most part being bounded by a top planar surface, a bottom planar surface, and two planar, lateral surfaces and being substantially rectangular in cross-section in a plane normal to said direction, one end portion of said stick being defined between said top planar surface and only two side surfaces, there being near the end of said stick a portion defined by said two mutually inclined, longitudinal, approximately planar but partly concave side surfaces, said side surfaces intersecting in a longitudinally extending bottom ridge inclined with respect to said direction and said side surfaces merging smoothly with said lateral surfaces, said end portion being substantially triangular in cross-section in a plane normal to said direction and being no greater in cross-sectional area than the cross-sectional area of said rectangular portion, said end portion also being truncated to form a planar surface inclined with respect to said direction, merging with said top planar surface and located opposite the bottom ridge apex of said triangular portion, and said end portion being of a size to be at least partly received in the normal interproximal spaces between human teeth.
Claim 3
Dependent Claim
35 words
A device as in claim 1 in which said bottom ridge at the apex of said triangular portion is inclined toward said top planar surface as said ridge approaches the rectangular portion of said stick.
Claim 4
Dependent Claim
14 words
A device as in claim 1 in which said stick is of European sycamore.
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) | 1982-01-22 | 1982-07-24 | 1983-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-22 | 1986-07-24 | 1987-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-22 | 1990-07-24 | 1991-01-23 | $7700.00 | Window Closed / Lapsed |