US4467799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transparent odor-free face mask
Assignee: Individual
•
Filing: 1982-04-19
•
Granted: 1984-08-28
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Expires: 2002-04-19
Abstract
Abstract A hygienic, disposable, cup shaped, thin, flexible transparent face mask to cover the mouth and nose area of the face of a wearer comprising a transparent foraminous web having a narrow circuitous edging on the back of which there is applied at least 3 relatively equidistant spots of rupturable pressure-sensitive adhesive wherein the composition of said face mask includes a transparent bactericide and a transparent deodorant.
Inventors
- 👤 Jacob H. Steinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:23
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/05; A41D13/11; A41D13/1161; A41D13/1169; A41D13/1176; A41D13/1192
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A dental mask structured to overcome a wearer's reticenes in wearing it which includes a thin, foraminous, transparent, thermoplastic and resinous sheet which has been treated with an aqueous transparent coating of an odor masking coating and an aqueous transparent coating of a bacteriocide which is then perforated while being molded into an inverted C-cup shape having a narrow outwardly flanged border on its periphery which is adapted to fit over the oronasal regions of the wearer's face, said border has applied to its back surface 3 spots of transparent pressure sensitive adhesive enclosed in transparent microballoons of resin to permit thumb pressure so as to apply a minimum of adhesive to attach said mask at 3 points of the face of a wearer, one at the bridge of the nose and one at each of the 2 cheeks of a wearer.
Claim 2
Dependent Claim
142 words
A dental mask structured to overcome a wearer's reticenes in wearing it which includes a thin, foraminous, transparent, thermoplastic and resinous sheet which has been treated with an aqueous transparent coating of an odor masking coating and an aqueous transparent coating of a bacteriocide which is then perforated while being molded into an inverted C-cup shape having a narrow outwardly flanged border on its periphery which is adapted to fit over the oronasal regions of the wearer's face, said border has applied to its back surface 3 spots of transparent pressure sensitive adhesive enclosed in transparent microballoons of resin to permit thumb pressure so as to apply a minimum of adhesive to attach said mask at 3 points of the face of a wearer, one at the bridge of the nose and one at each of the 2 cheeks of a wearer.
References Cited (Backward Citations)
US443191A
Cited
US838434A
Cited
US2921581A
Cited
US2988461A
Cited
US3116969A
Cited
US3695265A
Cited
US4215682A
Cited
US4186743A
Cited
US4240420A
Cited
US4269315A
Cited
US4328797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-08-28 | 1988-02-27 | 1988-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-28 | 1992-02-27 | 1992-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-28 | 1996-02-27 | 1996-08-28 | $7700.00 | Window Closed / Lapsed |