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Instrument for testing the burst strength of sheet material
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Information
Patent Grant
D315690
References
Source
Patent Number
D315,690
Date Filed
Thursday, May 11, 1989
35 years ago
Date Issued
Tuesday, March 26, 1991
33 years ago
Inventors
John Sullivan
Walter F. Bachelder
Peter J. Fiore
Godfrey L. Hansen
Original Assignees
TESTING MACHINES, INC.
Examiners
Holtje; Nelson C.
Davis; Antoine D.
Agents
Casella; Anthony J.
Hespos; Gerald E.
US Classifications
D10 - Measuring, testing, or signalling instruments
Field of Search
US
D10 46
D10 75
073 159
073 838
073 839
073 840
162 263
Term of Grant
14Years
Information
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Abstract
Description
Claims
The ornamental design of an instrument for testing the burst strength of sheet material, as shown and described.
US Referenced Citations (4)
Number
Name
Date
Kind
377361
Mill
Jan 1888
3160002
Lovette
Dec 1964
3600940
Schlegel
Aug 1971
4735092
Kenny
Apr 1988
Non-Patent Literature Citations (1)
Entry
Perkins' Testers by B. P. Perkins, 1983--all pages.