US4626211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental shield
Assignee: Individual
•
Filing: 1985-09-20
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Granted: 1986-12-02
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Expires: 2005-09-20
Abstract
Abstract This dental shield is designed to protect a patient against the breathing and facial deposit of the powder/water spray from a teeth clean apparatus. Primarily, it consists of a plastic backed two-ply paper panel, having a cotton mouth guard, a cotton nose guard, and a filter rib for filtering the air breathed by the patient.
Inventors
- 👤 Cindy Coston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:43
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A dental shield, comprising, in combination, a panel, a mouth gaurd secured to said panel, a nose guard secured to said panel and a filtering rib secured to said panel; an opening being formed through said panel and aligned with a similar opening through said mouth guard, said mouth guard being fabricated of cotton, and both the opening through said panel and the opening through said mouth guard enabling the entry of a tooth cleaning and polishing instrument therethrough; one face of said mouth guard being fixedly adhered to a rear face of said panel and the opening through said mouth guard encompasing a patient's mouth; said nose guard being fabricated of cotton and having a recess in its bottom for fitting therein a nose of said patient, and one face of said nose guard being fixedly adhered to said rear face of said panel; and said filtering rib being fabricated of cotton and being horizontally disposed and fixedly adhered to a bottom of said nose guard and projecting under the nostrils of said patient and filtering the air being threatened by said patient.
Claim 2
Dependent Claim
184 words
A dental shield, comprising, in combination, a panel, a mouth gaurd secured to said panel, a nose guard secured to said panel and a filtering rib secured to said panel; an opening being formed through said panel and aligned with a similar opening through said mouth guard, said mouth guard being fabricated of cotton, and both the opening through said panel and the opening through said mouth guard enabling the entry of a tooth cleaning and polishing instrument therethrough; one face of said mouth guard being fixedly adhered to a rear face of said panel and the opening through said mouth guard encompasing a patient's mouth; said nose guard being fabricated of cotton and having a recess in its bottom for fitting therein a nose of said patient, and one face of said nose guard being fixedly adhered to said rear face of said panel; and said filtering rib being fabricated of cotton and being horizontally disposed and fixedly adhered to a bottom of said nose guard and projecting under the nostrils of said patient and filtering the air being threatened by said patient.
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) | 1989-12-01 | 1990-06-02 | 1990-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-01 | 1994-06-02 | 1994-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-01 | 1998-06-02 | 1998-12-02 | $7700.00 | Window Closed / Lapsed |