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US Patent: D276,124
Multi-use handle tool
"Bike Wrench"
Patentee:
Chin-Lang Liu (exact or similar names) - Taichung, Taiwan, Taiwan

USPTO Classifications:
D8/17, D8/22

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 21, 1982
Granted: Oct. 30, 1984

Patent Pictures: [ 1 | 2 | 3 | 4 ]
Design patent D276,124 - edited drawing
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Description:
Term: 14 years.

The varied tools as produced differ from the design shown -- no central "socket;" some have swinging hook jaw rather than "loop," number and size of open end wrench slots differs, etc. The version with the "swinging loop" has a different R.O.C. patent number.

The R.O.C. patent numbers [Republic of China = TAIWAN ] could be a challenge to research due to "blocking" activities from P.R.C. [Peoples Republic of China].

Google "advanced book search" results are "snippet view" only due to copyright restrictions.

Previous patents and designs cited as references: 2,148,573, D46,424, D174,846, & D203,356

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