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:
Mar. 23, 2021
Filed:
May. 04, 2018
Applicant:
Robert Levine, Port Jefferson, NY (US);
Inventor:
Robert Levine, Port Jefferson, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 21/14 (2006.01); G08B 17/10 (2006.01); G08B 25/14 (2006.01); G08B 17/12 (2006.01); G08B 27/00 (2006.01);
U.S. Cl.
CPC ...
G08B 21/14 (2013.01); G08B 17/10 (2013.01); G08B 17/125 (2013.01); G08B 25/14 (2013.01); G08B 27/005 (2013.01);
Abstract
A method and safety device for use in accessing confined spaces that incorporates atmospheric safety monitoring and alarm annunciation into a physical access device/mechanism for the purpose of preventing the human confined space entrant from entering a confined space containing a hazardous atmosphere.