Protective barrier for piping and cabling

Electricity: conductors and insulators – Conduits – cables or conductors – Accessories

Reexamination Certificate

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Details

C174S650000, C174S662000, C174S664000, C174S665000, C248S056000, C439S583000, C439S581000, C016S002100

Reexamination Certificate

active

07601918

ABSTRACT:
A protective barrier for protecting a pipe extending through an opening in a framing member.

REFERENCES:
patent: 1803894 (1931-05-01), Cross
patent: 2365785 (1944-12-01), Tinnerman
patent: 2541406 (1951-02-01), Clapp
patent: 2870242 (1959-01-01), Wilkerson
patent: 3855413 (1974-12-01), Baillie
patent: 3918667 (1975-11-01), Madden
patent: 4924646 (1990-05-01), Marquardt
patent: 5079389 (1992-01-01), Nelson
patent: 5421541 (1995-06-01), Condon
patent: 6241199 (2001-06-01), Ismert
patent: 6642445 (2003-11-01), Lalancette
patent: 6779232 (2004-08-01), Cerul
patent: 6901628 (2005-06-01), Cerul
patent: 2006/0004366 (2006-01-01), Cerul

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