CA1034701A - Masque facial protecteur - Google Patents

Masque facial protecteur

Info

Publication number
CA1034701A
CA1034701A CA237,366A CA237366A CA1034701A CA 1034701 A CA1034701 A CA 1034701A CA 237366 A CA237366 A CA 237366A CA 1034701 A CA1034701 A CA 1034701A
Authority
CA
Canada
Prior art keywords
face mask
protective face
protective
mask
face
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
Application number
CA237,366A
Other languages
English (en)
Inventor
Charles C. T. Lamb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA237,366A priority Critical patent/CA1034701A/fr
Application granted granted Critical
Publication of CA1034701A publication Critical patent/CA1034701A/fr
Expired legal-status Critical Current

Links

CA237,366A 1975-10-09 1975-10-09 Masque facial protecteur Expired CA1034701A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA237,366A CA1034701A (fr) 1975-10-09 1975-10-09 Masque facial protecteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA237,366A CA1034701A (fr) 1975-10-09 1975-10-09 Masque facial protecteur

Publications (1)

Publication Number Publication Date
CA1034701A true CA1034701A (fr) 1978-07-18

Family

ID=4104233

Family Applications (1)

Application Number Title Priority Date Filing Date
CA237,366A Expired CA1034701A (fr) 1975-10-09 1975-10-09 Masque facial protecteur

Country Status (1)

Country Link
CA (1) CA1034701A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247960A (en) * 1978-02-13 1981-02-03 Nava Pier Luigi Actuating device for the vizors of helmets or similar headgears
US4312078A (en) * 1979-02-26 1982-01-26 Kangol Helmets Limited Helmet with pivotable visor
US4446576A (en) * 1980-11-17 1984-05-08 Masauki Hisataka Safe guard protective equipment for fighting art
US5014366A (en) * 1990-02-26 1991-05-14 Discipio Sr William R Enhanced visibility helmet
US9125447B2 (en) 2010-09-20 2015-09-08 Revision Military S.A.R.L. Helmet attachment mechanism for visor
CN107929967A (zh) * 2017-12-22 2018-04-20 深呼吸创造智能科技（天津）有限公司 一种透明呼吸面罩
CN116631019A (zh) * 2022-03-24 2023-08-22 清华大学 基于面部图像的口罩适合性检测方法及装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247960A (en) * 1978-02-13 1981-02-03 Nava Pier Luigi Actuating device for the vizors of helmets or similar headgears
US4312078A (en) * 1979-02-26 1982-01-26 Kangol Helmets Limited Helmet with pivotable visor
US4446576A (en) * 1980-11-17 1984-05-08 Masauki Hisataka Safe guard protective equipment for fighting art
US5014366A (en) * 1990-02-26 1991-05-14 Discipio Sr William R Enhanced visibility helmet
US9125447B2 (en) 2010-09-20 2015-09-08 Revision Military S.A.R.L. Helmet attachment mechanism for visor
CN107929967A (zh) * 2017-12-22 2018-04-20 深呼吸创造智能科技（天津）有限公司 一种透明呼吸面罩
CN116631019A (zh) * 2022-03-24 2023-08-22 清华大学 基于面部图像的口罩适合性检测方法及装置
CN116631019B (zh) * 2022-03-24 2024-02-27 清华大学 基于面部图像的口罩适合性检测方法及装置

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