Patent US4073071A successfully refreshed from Google Patents.
US4073071A
Expired / Lapsed
US
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Human mouth model for speech therapy
Assignee: Individual
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Filing: 1976-12-30
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Granted: 1978-02-14
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Expires: 1996-12-30
Abstract
Abstract A human mouth model for speech therapy instruction including a transparent upper jaw portion including a hard palate portion, soft palate portion, gums, and a set of upper teeth; a transparent lower jaw portion including a mouth floor, gums, and a set of lower teeth; an opening formed by the rearward ends of the jaw portions in the area of the oral part of the pharynx; and hinge means interconnecting the rearward ends of the jaw portions.
Inventors
- 👤 Norma Angelotti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:32
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/28; G09B23/283
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
133 words
A human mouth model having necessary anatomical structure for demonstrating tongue positions to form sound for speech therapy instruction comprising: a transparent upper jaw portion including a hard palate portion, a soft palate portion, gums and a set of upper teeth; a transparent lower jaw portion including a mouth floor, gums, and a set of lower teeth; at least one of said teeth in either set being replaceably removable; an opening formed by the rearward end of said jaw portions in the area of the oral part of the pharynx; a formable and deformable tongue in said mouth and accessible through said opening for manual manipulation; hinge means interconnecting the rearward ends of said jaw portions; said hinge means enabling said jaw portions to swing apart fully to a generally 180° open position.
Claim 2
Dependent Claim
133 words
A human mouth model having necessary anatomical structure for demonstrating tongue positions to form sound for speech therapy instruction comprising: a transparent upper jaw portion including a hard palate portion, a soft palate portion, gums and a set of upper teeth; a transparent lower jaw portion including a mouth floor, gums, and a set of lower teeth; at least one of said teeth in either set being replaceably removable; an opening formed by the rearward end of said jaw portions in the area of the oral part of the pharynx; a formable and deformable tongue in said mouth and accessible through said opening for manual manipulation; hinge means interconnecting the rearward ends of said jaw portions; said hinge means enabling said jaw portions to swing apart fully to a generally 180° open position.
Claim 3
Dependent Claim
18 words
The mouth model of claim 1 in which said tongue includes a flexible sheath with an interior recess.
Claim 4
Dependent Claim
20 words
The mouth model of claim 1 in which said tongue includes a flexible sheath covering a deformable and reformable member.
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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) | 1981-02-13 | 1981-08-15 | 1982-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-13 | 1985-08-15 | 1986-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-13 | 1989-08-15 | 1990-02-14 | $7700.00 | Window Closed / Lapsed |