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Patent
   D892582
Priority
Nov 07 2018
Filed
Nov 07 2018
Issued
Aug 11 2020
Expiry
Aug 11 2035
Inventors
Doherty, R…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
3
References
9
Maint.:
n/a
The ornamental design for a manhole cover lifting key, as shown and described.

1. Manual manhole cover lifting tool

Manhole cover lifting key.
INVENTORS:

Doherty, Roger

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
11820039, Aug 02 2021 WOODPECKERS, LLC Taper jig and methods of use
D983636, Aug 02 2021 WOODPECKERS, LLC Clamping handle assembly
D985638, Aug 02 2021 WOODPECKERS, LLC Taper jig
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2185346,
3261242,
3270407,
4076217, Mar 25 1975 DIVERSIFIED PRODUCTS & ENGINEERING INC 4727 LOLLY DR MONROEVILLE PA 15146 A PA CORP Apparatus for lifting a manhole cover
4662607, Dec 07 1984 Mochizuki Motor Co. Ltd. Apparatus for operating manhole cover
4681300, Mar 30 1984 Apparatus for removing manhole covers and the like
D457795, Nov 13 2000 Automobile brakes installation and repair tool
D875494, Sep 04 2018 J & M TOOL DESIGN, LLC Faucet cartridge removal tool
D879570, Oct 12 2019 SHENZHEN GELISITONG TECHNOLOGY CO , LTD Automobile dent repair tool
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