Manual manhole cover lifting tool

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Description

1. Manual manhole cover lifting tool

Manhole cover lifting key.

Claims

The ornamental design for a manhole cover lifting key, as shown and described.

Referenced Cited
U.S. Patent Documents
2185346 January 1940 Kulp
3261242 July 1966 Peters
3270407 September 1966 Araujo
4076217 February 28, 1978 Haller
4662607 May 5, 1987 Mochizuki
4681300 July 21, 1987 Drugge
D457795 May 28, 2002 Mohammed
D875494 February 18, 2020 Widner
D879570 March 31, 2020 Lin
Patent History
Patent number: D892582
Type: Grant
Filed: Nov 7, 2018
Date of Patent: Aug 11, 2020
Inventor: Roger Doherty (Clonmany)
Primary Examiner: Eliza Z Bennett-Hattan
Application Number: 35/507,285
Classifications
Current U.S. Class: D8/59