Hopper
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Any surfaces of the design not shown, including interior surfaces and any surfaces shown in broken lines, form no part of the claimed invention.
Claims
I claim the ornamental design for a hopper, as shown and described.
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- Article by T.V. Nguyen entitled Funnel Flow in Hoppers, Journal of Applied Mechanics, Dec. 1980, vol. 47, pp. 729-735.
Type: Grant
Filed: Dec 9, 2015
Date of Patent: May 8, 2018
Assignee: OERLIKON METCO (US) INC. (Westbury, NY)
Inventor: Robert F. Savill, Jr. (Levittown, NY)
Primary Examiner: Susan Moon Lee
Application Number: 29/547,958