Grade board with integrally formed ledge

Details Grade board with integrally formed ledge Grade board with integrally formed ledge

2006-04-06

2010-11-16

Sample, David R (Department: 1783)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C428S057000, C428S033000, C428S192000, C428S342000, C428S398000, C428S541000

Reexamination Certificate

active

07833613

ABSTRACT:
A grade board with an integrally formed ledge projecting outwardly from the board. The board may be made of a polymeric and cellulosic composite.

REFERENCES:
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patent: 6590004 (2003-07-01), Zehner
patent: 6692815 (2004-02-01), Edgman
patent: 6708504 (2004-03-01), Brandt et al.
patent: 6780359 (2004-08-01), Zehner et al.
patent: 6942829 (2005-09-01), Drabeck et al.
patent: 6958185 (2005-10-01), Zehner
patent: 6971211 (2005-12-01), Zehner
patent: 6984676 (2006-01-01), Brandt
patent: 2003/0077399 (2003-04-01), Saunders, Jr. et al.
patent: 2003/0087996 (2003-05-01), Hutchison et al.

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