US4664109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mouthpiece
Assignee: Dacor Corp
•
Filing: 1985-03-22
•
Granted: 1987-05-12
•
Expires: 2005-03-22
Abstract
Abstract A mouthpiece for use with a breathing device has a pliable lip flange which fits between the lips and teeth of the user and a pair of bite lugs which extend from the lip flange between the user's teeth and wherein the upper and lower bite surfaces of the lugs are constituted by a plurality of resilient projections which are individually compressed by the teeth of the diver as he bites down on the lugs.
Inventors
- 👤 Stanley Rasocha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:30
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/06; B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; B63C11/186; A63; A63B; A63B71/00; A63B71/08; A63B71/085; A63B2071/086
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
116 words
A mouthpiece, comprising pliable lip flange means for insertion between the lips and the outer frontal surface of the teeth of a person using the mouthpiece, said lip flange means having a breathing hole extending therethrough for passing gas to and from the mouth of said person, a plurality of lugs connected to and extending from said lip flange on opposite sides of said hole for disposition between the biting surfaces of said teeth, and a multiplicity of individual, spaced apart, upstanding, resilient projections on the upper and lower sides of said lugs, the distal ends of said projections providing a multiplicity of spaced apart planar surfaces for abutment with the biting surfaces of said teeth.
Claim 2
Dependent Claim
116 words
A mouthpiece, comprising pliable lip flange means for insertion between the lips and the outer frontal surface of the teeth of a person using the mouthpiece, said lip flange means having a breathing hole extending therethrough for passing gas to and from the mouth of said person, a plurality of lugs connected to and extending from said lip flange on opposite sides of said hole for disposition between the biting surfaces of said teeth, and a multiplicity of individual, spaced apart, upstanding, resilient projections on the upper and lower sides of said lugs, the distal ends of said projections providing a multiplicity of spaced apart planar surfaces for abutment with the biting surfaces of said teeth.
Claim 3
Dependent Claim
33 words
A mouthpiece according to claim 1 comprising lug flange means at the ends of said lugs opposite said lip flange means for disposition against the inner faces of the teeth of the user.
Claim 4
Dependent Claim
16 words
A mouthpiece according to claim 2 wherein said projections are arranged in a plurality of rows.
Claim 5
Dependent Claim
49 words
A mouthpiece according to claim 1, comprising lug flange means respectively provided on the edges of said lugs opposite said lip flange means and extending parallel to said lip flange means, said projections being arranged in a plurality of rows of projections extending parallel to said lip flange means.
Claim 6
Dependent Claim
15 words
A mouthpiece according to claim 4 wherein said projections have mutually coplanar distal end surfaces.
Claim 7
Dependent Claim
16 words
A mouthpiece according to claim 4, wherein said plurality of rows comprises at least three rows.
Claim 8
Dependent Claim
14 words
A mouthpiece according to claim 6, wherein said mouthpiece is a unitary elastomeric molding.
Claim 9
Dependent Claim
11 words
A mouthpiece according to claim 1, wherein said projections are frusto-pyramidal.
Claim 10
Dependent Claim
22 words
A mouthpiece according to claim 8, wherein the distal end surfaces of said projections on one side of said lugs mutually coplanar.
References Cited (Backward Citations)
US3082765A
Cited
US3319626A
Cited
US3496936A
Cited
US4136689A
Cited
US4031888A
Cited
US4425911A
Cited
US4466434A
Cited
US4568280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-11 | 1990-11-10 | 1991-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-11 | 1994-11-10 | 1995-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-11 | 1998-11-10 | 1999-05-12 | $7700.00 | Window Closed / Lapsed |