Patent US4099526A successfully refreshed from Google Patents.
US4099526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter-type gas mask and breathing device arranged in a carrying case
Assignee: Individual
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Filing: 1976-11-30
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Granted: 1978-07-11
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Expires: 1996-11-30
Abstract
Abstract A filter type gas mask enclosed within a carrying case and cover comprising shock absorbing means extending from a filter head within the enclosure towards inner sidewalls of said cover and said carrying case at the area where said carrying case is connected to said cover. The filter head is held firmly within the carrying case and cover and the shock absorbing means absorb shocks in all directions. The shock absorbing means include a chin support which additionally functions to prevent direct contact between the body of the user of said mask and the filter and filter head of said mask.
Inventors
- 👤 Werner Mascher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:09
CPC Classifications
A; A62; A62B; A62B25/00
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
246 words
A filter type gas mask arranged in a carrying case and a cover for said carrying case mounted thereon, said mask comprising; a filter; a filter head mounted on said filter; said carrying case including a lower surface and sidewalls with an upper edge, said sidewalls extending perpendicularly upwards from said lower surface and terminating at said upper edge; said cover including an upper surface and sidewalls with a lower edge, said sidewalls of said cover extending perpendicularly downwards from said upper surface and terminating at said lower edge, means for connecting said upper edge of said carrying case to said lower edge of said cover wherein said carrying case and said cover form an enclosed chamber; said filter and said filter head being located within said enclosed chamber such that said filter head is in proximity to said cover and said filter is in proximity to said carrying case; and shock absorbing means connected to said filter head and extending outwardly therefrom in a direction towards said sidewalls of said cover and said sidewalls of said carrying case in the area where said sidewalls of said cover are connected to said sidewalls of said carrying case for holding said filter and said filter head firmly within said enclosed chamber formed by said carrying case and cover and for preventing contact between said filter and said filter head with any part of said carrying case and said cover by absorbing shocks and impact from all directions.
Claim 2
Dependent Claim
246 words
A filter type gas mask arranged in a carrying case and a cover for said carrying case mounted thereon, said mask comprising; a filter; a filter head mounted on said filter; said carrying case including a lower surface and sidewalls with an upper edge, said sidewalls extending perpendicularly upwards from said lower surface and terminating at said upper edge; said cover including an upper surface and sidewalls with a lower edge, said sidewalls of said cover extending perpendicularly downwards from said upper surface and terminating at said lower edge, means for connecting said upper edge of said carrying case to said lower edge of said cover wherein said carrying case and said cover form an enclosed chamber; said filter and said filter head being located within said enclosed chamber such that said filter head is in proximity to said cover and said filter is in proximity to said carrying case; and shock absorbing means connected to said filter head and extending outwardly therefrom in a direction towards said sidewalls of said cover and said sidewalls of said carrying case in the area where said sidewalls of said cover are connected to said sidewalls of said carrying case for holding said filter and said filter head firmly within said enclosed chamber formed by said carrying case and cover and for preventing contact between said filter and said filter head with any part of said carrying case and said cover by absorbing shocks and impact from all directions.
Claim 3
Dependent Claim
49 words
A filter type gas mask as claimed in claim 1 wherein said shock absorbing means are of equal dimension for holding said filter head in a position within said enclosed chamber which is equidistant from said sidewalls of said cover and equidistant from said sidewalls of said carrying case.
Claim 4
Dependent Claim
24 words
A filter type gas mask as claimed in claim 1 wherein said shock absorbing means extending outwardly from said filter head includes two buffers.
Claim 5
Dependent Claim
15 words
A filter type gas mask as claimed in claim 3 wherein said buffers are rubber.
Claim 6
Dependent Claim
19 words
A filter type gas mask as claimed in claim 3 wherein said buffers are positioned diametrically opposite each other.
Claim 7
Dependent Claim
23 words
A filter type gas mask as claimed in claim 1 wherein said second shock absorbing means include a plurality of outwardly extending buffers.
Claim 8
Dependent Claim
50 words
A filter type gas mask as claimed in claim 1 wherein said shock absorbing means comprises a buffer and a chin support extending outwardly from said filter head, said chin support preventing direct contact between the body of a user of said gas mask and said filter and filter head.
Claim 9
Dependent Claim
27 words
A filter type gas mask as claimed in claim 7 wherein said chin support and said buffer are positioned diametrically opposite each other on said filter head.
Claim 10
Dependent Claim
19 words
A filter type gas mask as claimed in claim 7 further comprising a mouthpiece affixed to said filter head.
Claim 11
Dependent Claim
47 words
A filter type gas mask as claimed in claim 9 wherein said chin support, said buffer and said mouthpiece are mounted on a single base, said base conforming to the shape of said filter head wherein said single base may be mounted directly upon said filter head.
Claim 12
Dependent Claim
41 words
A filter type gas mask as claimed in claim 7 wherein said chin support and said buffer are of the same dimensions for holding said filter head in a position equidistant from said sidewalls of said carrying case and said cover.
Claim 13
Dependent Claim
19 words
A filter type gas mask as claimed in claim 7 wherein said chin support and said buffer are rubber.
Claim 14
Dependent Claim
37 words
A filter type gas mask as claimed in claim 1 wherein said cover is connected to said carrying case by bending said edges of said sidewalls of said cover and said carrying case to complement each other.
Claim 15
Dependent Claim
34 words
A filter type gas mask as claimed in claim 1 further comprising second shock absorbing means connected between said filter and said carrying case for preventing impact between said filter and said carrying case.
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) | 1981-07-10 | 1982-01-09 | 1982-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-10 | 1986-01-09 | 1986-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-10 | 1990-01-09 | 1990-07-11 | $7700.00 | Window Closed / Lapsed |