Patent US4201205A successfully refreshed from Google Patents.
US4201205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen mask
Assignee: CREDITANSTALT CORPORATE FINANCE Inc
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Filing: 1978-01-20
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Granted: 1980-05-06
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Expires: 1998-01-20
Abstract
Abstract In an oxygen mask for being secured over the nose and mouth of a user or patient, an improved means for securing the mask comprises a non-elastic flexible tubing adapted for extending over both ears of the user, ends, and two lengths of elastic flexible tubing, each length having one end secured to the non-elastic tubing, and the other end secured to or adjacent the mask.
Inventors
- 👤 Victor L. Bartholomew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:28
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/06; A61M16/0683; A61M2016/0661; A61M2202/00; A61M2202/02; A61M2202/0208
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
112 words
An oxygen mask having improved means for being secured over the nose and mouth of a user, the improvement comprising; non-elastic flexible tubing means adapted for extending over and behind both ears of the user and downwardly beneath the user's chin and having two ends, and two lengths of elastic flexible tubing, each length having a first and second end, each first end being secured to a different one of said non-elastic tubing ends, and means securing each second end of said elastic flexible tubing to said mask and wherein said non-elastic tubing ends and said first elastic tubing ends are adapted to be joined between said mask and the user's ears.
Claim 2
Dependent Claim
112 words
An oxygen mask having improved means for being secured over the nose and mouth of a user, the improvement comprising; non-elastic flexible tubing means adapted for extending over and behind both ears of the user and downwardly beneath the user's chin and having two ends, and two lengths of elastic flexible tubing, each length having a first and second end, each first end being secured to a different one of said non-elastic tubing ends, and means securing each second end of said elastic flexible tubing to said mask and wherein said non-elastic tubing ends and said first elastic tubing ends are adapted to be joined between said mask and the user's ears.
Claim 3
Dependent Claim
12 words
The mask of claim 1 wherein said non-elastic tubing comprises polyvinyl chloride.
Claim 4
Dependent Claim
16 words
The mask of claim 2 wherein said elastic tubing comprises a synthetic elastomer or natural rubber.
Claim 5
Dependent Claim
11 words
The mask of claim 3 wherein said mask comprises polyvinyl chloride.
Claim 6
Dependent Claim
46 words
The mask of claim 1 wherein said means securing said second ends to said mask comprises first and second tab members integral with and each extending from an opposite side of said mask, said second ends being secured to said first and second tab members, respectively.
Claim 7
Dependent Claim
16 words
The mask of claim 5 wherein said non-elastic flexible tubing comprises a single length of tubing.
Claim 8
Dependent Claim
15 words
The mask of claim 5 wherein said mask and said non-elastic tubing comprise polyvinyl chloride.
Claim 9
Dependent Claim
16 words
The mask of claim 7 wherein said elastic tubing comprises a synthetic elastomer or natural rubber.
Claim 10
Dependent Claim
42 words
The mask of claim 1 wherein said means securing said second ends to said mask comprises first and second pin members each secured along an opposite side of said mask, said second ends being secured to first and second pin members, respectively.
Claim 11
Dependent Claim
16 words
The mask of claim 6 wherein said non-elastic flexible tubing comprises a single length of tubing.
Claim 12
Dependent Claim
15 words
The mask of claim 6 wherein said mask and said non-elastic tubing comprise polyvinyl chloride.
Claim 13
Dependent Claim
16 words
The mask of claim 1 wherein said elastic tubing comprises a synthetic elastomer or natural rubber.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-05-06 | 1983-11-05 | 1984-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-06 | 1987-11-05 | 1988-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-06 | 1991-11-05 | 1992-05-06 | $7700.00 | Window Closed / Lapsed |