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Double sheave lifting block
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Information
Patent Grant
D300077
References
Source
Patent Number
D300,077
Date Filed
Monday, September 16, 1985
39 years ago
Date Issued
Tuesday, February 28, 1989
35 years ago
Inventors
Uwe Lichtenvort
Manfred Stoeber
Original Assignees
MANNESMANN DEMAG AG
Examiners
Burke; Wallace R.
Chin; Kay H.
Agents
Siegemund; Ralf H.
US Classifications
D34 - Material or article handling equipment
Field of Search
US
D34 28
D34 33
D34 35
254 401
D08 360
Term of Grant
14Years
Information
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Abstract
Description
Claims
The ornamental design for a double sheave lifting block, as shown and described.
US Referenced Citations (3)
Number
Name
Date
Kind
2820624
Koegel
Jan 1958
3179376
Botten
Apr 1965
3353794
Smith, Jr.
Nov 1967
Non-Patent Literature Citations (1)
Entry
Miller Swivel Products, Inc. brochure, Sep. 1967, p. 32, Miller High Lift Block.