Road structure – process – or apparatus – Pavement – Vault cover-closure
Reexamination Certificate
2007-04-10
2007-04-10
Addie, Raymond (Department: 3671)
Road structure, process, or apparatus
Pavement
Vault cover-closure
C404S026000, C052S019000, C052S020000
Reexamination Certificate
active
10467852
ABSTRACT:
A method and a device for safely and efficiently adjusting the height of a manhole freely allowing the addition and removal of a height adjusting member at any position. The method and device may be used for the manhole formed by installing a tubular shaped frame in the ground, installing the removable height adjustment members on the tubular shaped frame, and installing a cover receiving frame on the height adjusting members. In this method and device, a frame is disposed in the upper space of the manhole; the cover receiving frame is raised by the height adjusting member installed on the frame; and the height adjusting members positioned under the cover receiving frame in that state are added or removed.
REFERENCES:
patent: 3401973 (1968-09-01), Marshall
patent: 3847339 (1974-11-01), Farrell
patent: 4681300 (1987-07-01), Drugge
patent: 5035336 (1991-07-01), Schmitz et al.
patent: 5382131 (1995-01-01), Werthmann
patent: 5458435 (1995-10-01), Kohno
patent: 5462385 (1995-10-01), Mohlengraft
patent: 5476300 (1995-12-01), Dodge
patent: 5660422 (1997-08-01), Knisley
patent: 5674045 (1997-10-01), Eckloff et al.
patent: 5947633 (1999-09-01), Foss
patent: 5993106 (1999-11-01), Huang
patent: 6161985 (2000-12-01), Hinkle et al.
patent: 6196760 (2001-03-01), Sinclair
Addie Raymond
Apex Juris pllc
Heims Tracy M.
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