Firestop collar | Patent Number 10610711

US 10610711 B2
Application Number15545816
Publication NumberUS 20180015314 A1
Pendency3 years, 11 months, 16 days
Filled DateApr 27, 2016
Priority DateApr 27, 2016
Publication DateJan 18, 2018
Expiration DateApr 26, 2036
Inventor/ApplicantsEgon Berghofer
Markus Koegler
Hans Henning Artmann
Herbert Muenzenberger
ExaminesBARLOW, ADAM G
Art Unit3633
Technology Center3600
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Hilti
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