US4032970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental mask
Assignee: Individual
•
Filing: 1976-07-08
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Granted: 1977-06-28
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Expires: 1996-07-08
Abstract
Abstract A face mask for occupying the senses of a dental patient during dental work has an interior surface positioned to be viewed by the patient. A fiber optic bundle is carried at one end on the viewing surface and at its other end is butted against the front of a cathode ray tube driven by the video output signal from an audio-visual program source. The mask carries earphones fed by the audio output of the source.
Inventors
- 👤 Nina M. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:14
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/64; A; A61; A61C; A61C19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A device for occupying the senses of a dental patient during dental work comprising: a face mask for covering the eyes of the patient, said face mask having an interior surface positioned to be viewed by the patient; a fiber optic image transmission bundle having one end carried by said surface; earphones carried by said face mask for covering the ears of the patient; and an audio visual program source having an audio signal output part for coupling to said earphones and a picture output surface for coupling to the other end of said fiber optic bundle.
Claim 2
Independent Claim
97 words
A device for occupying the senses of a dental patient during dental work comprising: a face mask for covering the eyes of the patient, said face mask having an interior surface positioned to be viewed by the patient; a fiber optic image transmission bundle having one end carried by said surface; earphones carried by said face mask for covering the ears of the patient; and an audio visual program source having an audio signal output part for coupling to said earphones and a picture output surface for coupling to the other end of said fiber optic bundle.
References Cited (Backward Citations)
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Cited
US3059519A
Cited
US3091661A
Cited
US3748016A
Cited
US3833300A
Cited
US3945716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-06-27 | 1980-12-27 | 1981-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-27 | 1984-12-27 | 1985-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-27 | 1988-12-27 | 1989-06-28 | $7700.00 | Window Closed / Lapsed |