Difference between revisions of "Notes"
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Device: designed to absorb shock from plow shanks in rocky soil to prevent damage to the plow | Device: designed to absorb shock from plow shanks in rocky soil to prevent damage to the plow | ||
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| + | 1955 - 5th circuit says valid - "old result in a cheaper and otherwise more advantageous way." | ||
| + | 1966 - 8th circuit says invalid - no new result in the combination | ||
Revision as of 01:03, 4 February 2011
- Non-obviousness
Argued October 14, 1965. Decided February 21, 1966
Petitioner: Graham - sues John Deere for patent infringement
Device: designed to absorb shock from plow shanks in rocky soil to prevent damage to the plow
1955 - 5th circuit says valid - "old result in a cheaper and otherwise more advantageous way." 1966 - 8th circuit says invalid - no new result in the combination
