GB210875A - - Google Patents
Info
- Publication number
- GB210875A GB210875A GB210875DA GB210875A GB 210875 A GB210875 A GB 210875A GB 210875D A GB210875D A GB 210875DA GB 210875 A GB210875 A GB 210875A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cottnn
- airman
- luffa
- helmets
- helmet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Helmets And Other Head Coverings (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
210,875. Player, E. S. Nov. 9, 1922. Drawings to Specification. Helmets.-In an airman's helmet an ear-piece is provided consisting of a luffa protected by cottnn-wool and having a wire support and tubular &c. cushions. Specification 22608/08 is referred to.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB210875A true GB210875A (en) |
Family
ID=1735922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB210875D Active GB210875A (en) |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB210875A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2893011A (en) * | 1954-09-24 | 1959-07-07 | Leonard P Frieder | Sound attenuator helmet |
| US4370758A (en) * | 1980-10-27 | 1983-02-01 | Mattheis Dale B | Sound attenuator for use in conjunction with the motorcycle helmet or the like |
| US6029282A (en) * | 1998-04-14 | 2000-02-29 | Buschman; Thomas W. | Cyclist's wind noise limiting device |
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0
- GB GB210875D patent/GB210875A/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2893011A (en) * | 1954-09-24 | 1959-07-07 | Leonard P Frieder | Sound attenuator helmet |
| US4370758A (en) * | 1980-10-27 | 1983-02-01 | Mattheis Dale B | Sound attenuator for use in conjunction with the motorcycle helmet or the like |
| US6029282A (en) * | 1998-04-14 | 2000-02-29 | Buschman; Thomas W. | Cyclist's wind noise limiting device |
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