US4031888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breathing mouthpiece for underwater use
Assignee: Individual
•
Filing: 1976-01-05
•
Granted: 1977-06-28
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Expires: 1996-01-05
Abstract
Abstract A mouthpiece reducing fatigue and permitting the wearer to communicate by speech under water, including a cupped housing shaped to fit over the wearer's mouth, the housing having a central breathing port, and a pair of bit elements affixed interiorly to the housing and extending into the wearer's mouth to be gripped by the molar teeth, thereby allowing substantial movement of the lips and limited movement of the front teeth in normal speech.
Inventors
- 👤 William D. Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:05
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; B63C11/186; A; A62; A62B; A62B9/00; A62B9/06
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
171 words
A breathing mouthpiece for underwater use comprising: a housing having a flexible edge contoured to surround the wearer's mouth and fit snugly against the face in spaced relation to the wearer's lips to permit free movement of the lips, said housing further having a central port to breath through; and a pair of elongated, flexible bit members affixed interiorly to said housing on opposite sides of said port and sufficiently laterally spaced apart on opposite sides of said port, and projecting beyond said edge sufficiently, to fit between molar teeth of the wearer, the portion of said housing between said bit members and adjacent said port being open to permit the wearer's lips to come together adjacent said port, said bit members being sufficiently thick to allow them to be gripped by molar teeth of the wearer and sufficiently thin to enable the wearer's lips to come together whereby said mask can be held in position while yet allowing free movement of the lips and limited movement of the front teeth.
Claim 2
Dependent Claim
171 words
A breathing mouthpiece for underwater use comprising: a housing having a flexible edge contoured to surround the wearer's mouth and fit snugly against the face in spaced relation to the wearer's lips to permit free movement of the lips, said housing further having a central port to breath through; and a pair of elongated, flexible bit members affixed interiorly to said housing on opposite sides of said port and sufficiently laterally spaced apart on opposite sides of said port, and projecting beyond said edge sufficiently, to fit between molar teeth of the wearer, the portion of said housing between said bit members and adjacent said port being open to permit the wearer's lips to come together adjacent said port, said bit members being sufficiently thick to allow them to be gripped by molar teeth of the wearer and sufficiently thin to enable the wearer's lips to come together whereby said mask can be held in position while yet allowing free movement of the lips and limited movement of the front teeth.
Claim 3
Dependent Claim
17 words
A breathing mouthpiece according to claim 1 wherein all of said housing is made of flexible material.
Claim 4
Dependent Claim
21 words
A breathing mouthpiece according to claim 1 and including a snorkel tube attached to said housing in communication with said port.
Claim 5
Dependent Claim
22 words
A breathing mouthpiece according to claim 1 and including an air supply regulator attached to said housing in communication with said port.
Claim 6
Dependent Claim
22 words
A breathing mouthpiece according to claim 1 wherein said bit elements are each characterized by a width substantially greater than its thickness.
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) | 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 |