US4467795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breathing device package
Assignee: Draegerwerk AG and Co KGaA
•
Filing: 1983-01-26
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Granted: 1984-08-28
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Expires: 2003-01-26
Abstract
Abstract A breathing device wall package suitable for a wall mounting comprises a filter container part having a gas filter with an inspiration opening and a suspended matter filter adjacent the gas filter with an air intake opening. A breathing mask, for example, a half mask is engaged on the filter container around the inspiration opening. A cover engages over the filter container part and encloses the breathing mask and includes a plug which is engageable with the air intake opening as well as the inspiration opening in order to close them when the cover is in position. When the cover is removed the openings are opened and the mask is immediately available for use.
Inventors
- 👤 Wolfgang Eckstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:30
CPC Classifications
A; A62; A62B; A62B23/00; A62B23/02; Y; Y10; Y10S; Y10S55/00; Y10S55/33; Y10S55/35
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
144 words
A breathing device package suitable for a wall mount, comprising a filter container including mount means for mounting said container on a wall, said filter container having an air intake opening and an inspiration opening therein in side by side relationship, said container defining an air flow passage between said air intake opening and said inspiration opening, a gas filter mounted in said air flow passage adjacent said inspiration opening, a suspended matter filter mounted in said air flow passage adjacent said air intake opening, a breathing mask mounted on said filter container around said inspiration opening, a cover removably mounted onto said filter container and enclosing said breathing mask and said air intake opening, and plug means associated with said cover for closing at least one of said inspiration opening and said intake opening when said cover is engaged over said filter container.
Claim 2
Dependent Claim
144 words
A breathing device package suitable for a wall mount, comprising a filter container including mount means for mounting said container on a wall, said filter container having an air intake opening and an inspiration opening therein in side by side relationship, said container defining an air flow passage between said air intake opening and said inspiration opening, a gas filter mounted in said air flow passage adjacent said inspiration opening, a suspended matter filter mounted in said air flow passage adjacent said air intake opening, a breathing mask mounted on said filter container around said inspiration opening, a cover removably mounted onto said filter container and enclosing said breathing mask and said air intake opening, and plug means associated with said cover for closing at least one of said inspiration opening and said intake opening when said cover is engaged over said filter container.
Claim 3
Dependent Claim
53 words
A breathing device according to claim 1, wherein said plug means includes a cylindrical plug formation defined on the interior wall of said cover and extending into said inspiration opening and a separate interior plug defined on the interior wall of said cover adjacent said first plug and engaged into said intake opening.
Claim 4
Dependent Claim
38 words
A breathing device according to claim 2, wherein said second plug is located below said first plug and includes a stub portion defining a small passage through said plug and a small passage cover closing said small passage.
Claim 5
Dependent Claim
19 words
A breathing device according to claim 1, wherein said half mask comprises a respiratory connection for a wearer's face.
Claim 6
Dependent Claim
40 words
A breathing device according to claim 1, wherein said filter container includes a first wall one one side thereof and an opposite wall with said inspiration opening and said intake opening therein, said mounting means connected to said first wall.
Claim 7
Dependent Claim
125 words
A breathing device, comprising a filter container having an air intake opening and an inspiration opening therein in side by side relationship, said container defining an air flow passage between said air intake opening and said inspriation opening, a gas filter maintained in said air flow passage adjacent said inspiration opening, a suspended matter filter mounted in said air flow passage adjacent said air intake opening, a breathing mask mounted on said filter container around said inspiration opening, a cover removably mounted onto said filter container and enclosing said breathing mask and said air intake opening, and plug means associated with said cover for closing at least one of said inspiration opening and said intake opening when said cover is engaged over said filter container.
Claim 8
Dependent Claim
125 words
A breathing device, comprising a filter container having an air intake opening and an inspiration opening therein in side by side relationship, said container defining an air flow passage between said air intake opening and said inspriation opening, a gas filter maintained in said air flow passage adjacent said inspiration opening, a suspended matter filter mounted in said air flow passage adjacent said air intake opening, a breathing mask mounted on said filter container around said inspiration opening, a cover removably mounted onto said filter container and enclosing said breathing mask and said air intake opening, and plug means associated with said cover for closing at least one of said inspiration opening and said intake opening when said cover is engaged over said filter container.
Claim 9
Dependent Claim
42 words
A breathing device according to claims 1 or 6 and further comprising a hood connected to said mask and disposed with said mask in said cover, said cover being removable to expose said hood and said mask and to remove said plugs.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 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 |