Fire escape – ladder – or scaffold – Ladder and platform
Reexamination Certificate
2005-09-20
2009-11-17
Chilcot, Jr., Richard E (Department: 3635)
Fire escape, ladder, or scaffold
Ladder and platform
C182S106000, C108S051110, C052S710000
Reexamination Certificate
active
07617910
ABSTRACT:
This patent pertains to a platform device upon which a person, equipment or both are supported above a ground surface in which the build-up of debris and moisture is impeded. The sanitary platform system is comprised of two or more main rails having square cross-sections that are on diamond and are side-by-side with a space between the main rails; one or more standard web brackets comprised of a plate, two or more tabs and a perimeter defining an opening for receiving a main rail on diamond which are mounted in spaced-apart relation along the length of each of the main rails; two or more vertical legs supporting each of the main rails above the ground surface, and one or more deck plates welded to the tabs of the standard web bracket.
REFERENCES:
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patent: 6295781 (2001-10-01), Thompson
patent: 6296111 (2001-10-01), McKanik
patent: 6871737 (2005-03-01), Ertel
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patent: 2005/0081460 (2005-04-01), Davis
patent: 2006/0040607 (2006-02-01), Perez et al.
Akbasli Alp
Arrowhead Conveyor Corporation, Inc.
Boyle Fredrickson , S.C.
Chilcot, Jr. Richard E
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