TW404177U - Ventilation device for safety helmet - Google Patents

Ventilation device for safety helmet

Info

Publication number
TW404177U
TW404177U TW87216574U TW87216574U TW404177U TW 404177 U TW404177 U TW 404177U TW 87216574 U TW87216574 U TW 87216574U TW 87216574 U TW87216574 U TW 87216574U TW 404177 U TW404177 U TW 404177U
Authority
TW
Taiwan
Prior art keywords
ventilation device
safety helmet
helmet
safety
ventilation
Prior art date
Application number
TW87216574U
Other languages
English (en)
Inventor
Jen-An Liau
Original Assignee
Liau Jen An
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Liau Jen An filed Critical Liau Jen An
Priority to TW87216574U priority Critical patent/TW404177U/zh
Priority to TW87216574A01 priority patent/TW439423U/zh
Publication of TW404177U publication Critical patent/TW404177U/zh

Links

TW87216574U 1998-10-07 1998-10-07 Ventilation device for safety helmet TW404177U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW87216574U TW404177U (en) 1998-10-07 1998-10-07 Ventilation device for safety helmet
TW87216574A01 TW439423U (en) 1998-10-07 1999-10-06 Ventilation device for safety helmet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW87216574U TW404177U (en) 1998-10-07 1998-10-07 Ventilation device for safety helmet

Publications (1)

Publication Number Publication Date
TW404177U true TW404177U (en) 2000-09-01

Family

ID=21636659

Family Applications (2)

Application Number Title Priority Date Filing Date
TW87216574U TW404177U (en) 1998-10-07 1998-10-07 Ventilation device for safety helmet
TW87216574A01 TW439423U (en) 1998-10-07 1999-10-06 Ventilation device for safety helmet

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW87216574A01 TW439423U (en) 1998-10-07 1999-10-06 Ventilation device for safety helmet

Country Status (1)

Country Link
TW (2) TW404177U (zh)

Also Published As

Publication number Publication date
TW439423U (en) 2001-06-07

Similar Documents

Publication Publication Date Title
TW551045U (en) Safety helmet
GB9820262D0 (en) An improved safety helmet
GB2341784B (en) Headgear ventilation device
HUP9904480A3 (en) Safety device
GB2338400B (en) Protective helmet
TW439423U (en) Ventilation device for safety helmet
GB9909407D0 (en) Air cooled safety helmets
GB9809231D0 (en) Roof safety device
GB9808151D0 (en) Protective headgear
TW352514U (en) Safety helmet
TW417435U (en) Safety helmet
GB9815263D0 (en) Safety helmet
GB9819809D0 (en) Safety device
GB9821281D0 (en) An improved safety helmet
AU137995S (en) Brim for safety helmet
TW337077U (en) Helmet top ventilation system
TW349343U (en) Cooling structure for safety helmet
HU9600120V0 (en) Catch-lock for safety helmet
TW335630U (en) Safety helmet with ventilation unit
TW352515U (en) Safety helmet with ventilation structure
TW330529U (en) Anti-thief device for helmets
GB9823091D0 (en) Safety device
GB9819297D0 (en) Safety device
GB9813617D0 (en) Safety device
GB9816948D0 (en) Safety device

Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees