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:
Jun. 01, 1993
Filed:
Feb. 19, 1992
Applicant:
Inventor:
H Alfred Eberhardt, Paoli, PA (US);
Assignee:
Hale Fire Pump Company, Conshohocken, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F / ;
U.S. Cl.
CPC ...
454256 ; 454338 ;
Abstract
A safety system for providing a positive pressure condition in an enclosed space to provide a safe freshair atmosphere in said enclosed space in response to the occurrence of an emergency condition which could introduce smoke or harmful gases into said enclosed space is disclosed.