U.S. patents available from 1976 to present. U.S. patent
applications available from 2005 to present.  Fruit/vegetable
floatation grading  Patent 5305888 Issued on April 26, 1994.
Estimated Expiration Date: Icon_subject July 27, 2012. Estimated
Expiration Date is calculated based on simple USPTO term
provisions. It does not account for terminal disclaimers, term
adjustments, failure to pay maintenance fees, or other factors
which might affect the term of a patent.
Abstract Claims Description Full Text  Patent References
More ...    No. 920017 filed on 07/27/1992  US Classes:
209/164, Processes209/169, Agitating209/173, Water or aqueous
solution426/478, Separating a starting material into plural
different constituents426/485Pit   Primary: Lithgow, Thomas M.
Attorney, Agent or Firm  Foreign Patent References    •
33118 NO 10/14/2014   • 984490 SU 12/14/1982  International
Classes  B03B 005/28 B03D 001/00    A wide variety of pieces of
fruit and vegetable have a specific gravity that is close to tha