GB169360A - Improvement in ventilating means for helmets, and other head coverings - Google Patents
Improvement in ventilating means for helmets, and other head coveringsInfo
- Publication number
- GB169360A GB169360A GB2331220A GB2331220A GB169360A GB 169360 A GB169360 A GB 169360A GB 2331220 A GB2331220 A GB 2331220A GB 2331220 A GB2331220 A GB 2331220A GB 169360 A GB169360 A GB 169360A
- Authority
- GB
- United Kingdom
- Prior art keywords
- helmets
- improvement
- ventilating means
- head coverings
- ventilating
- 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.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
- A42C5/00—Fittings or trimmings for hats, e.g. hat-bands
- A42C5/04—Ventilating arrangements for head coverings
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
169,360. Allum, A. E. Aug. 9, 1920. Addition to 137,164. Drawings to Specification Ventilating.-To the ventilator described in the parent Specification is added a gauze cap or a flanged or other disc of perforated metal or other suitable material placed over the upper end of the barrel of the ventilator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2331220A GB169360A (en) | 1920-08-09 | 1920-08-09 | Improvement in ventilating means for helmets, and other head coverings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2331220A GB169360A (en) | 1920-08-09 | 1920-08-09 | Improvement in ventilating means for helmets, and other head coverings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB169360A true GB169360A (en) | 1921-09-29 |
Family
ID=10193564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2331220A Expired GB169360A (en) | 1920-08-09 | 1920-08-09 | Improvement in ventilating means for helmets, and other head coverings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB169360A (en) |
-
1920
- 1920-08-09 GB GB2331220A patent/GB169360A/en not_active Expired
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