Hydraulic and earth engineering – Foundation – Columnar structure
Reexamination Certificate
2005-06-21
2005-06-21
Lagman, Frederick L. (Department: 3673)
Hydraulic and earth engineering
Foundation
Columnar structure
C405S303000, C052S170000, C524S495000, C524S059000
Reexamination Certificate
active
06908261
ABSTRACT:
A conductive polymer backfill composition and method of use for setting or resetting structures such as utility poles is described. The backfill material is effective in simultaneously reinforcing and electrically grounding the utility pole.
REFERENCES:
patent: 3968657 (1976-07-01), Hannay
patent: 4312162 (1982-01-01), Medney
patent: 5466094 (1995-11-01), Kirby et al.
patent: 2003/0151030 (2003-08-01), Gurin
Hannay Richard C.
Kirby Norman
Owen Richard A.
Tian Fu
Forward Ventures, LP
Fulbright & Jaworski LLP
Lagman Frederick L.
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