Weighing scales – With testing
Reexamination Certificate
2007-07-31
2009-06-16
Gibson, Randy W (Department: 2841)
Weighing scales
With testing
C073S001360, C073S437000, C073S861000, C073S865900, C111S200000, C111S903000, C221S002000, C222S154000, C222S158000, C177S207000
Reexamination Certificate
active
07547852
ABSTRACT:
A hydraulic scale for planter calibration is disclosed. The hydraulic scale includes a tube having indicia disposed thereon. The tube has a substantially closed bottom and a substantially open top. The indicia disposed on the tube include at least one scale having a zero line. The tube is configured to float substantially upright when positioned in a liquid, such that the zero line is substantially aligned with the surface of the liquid. A non-zero line portion of the scale is configured to align with the surface of the liquid when at least one of seeds and feed are placed within the tube.
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Carter DeLuca Farrell & Schmidt LLP
Gibson Randy W
LandOfFree
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