The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 08, 1994
Filed:
Oct. 09, 1992
Applicant:
Inventor:
Granville C James, Ashby-de-la-Zouch, GB;
Assignee:
Coal Industry (Patents) Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A42B / ;
U.S. Cl.
CPC ...
2424 ; 21713 ; 12820124 ; 12820125 ;
Abstract
A protective helmet incorporates a visor retractable therewithin, a fan for providing filtered airflow through a duct within the shell to the visor, and ear defenders mounted substantially within the profile of the shell.