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US4032970A Expired / Lapsed US ⏱️ 0.0 years remaining

Dental mask

Assignee: Individual
•
Filing: 1976-07-08
•
Granted: 1977-06-28
•
Expires: 1996-07-08
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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)

US2825260A 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

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