US Patent: 1,608,176
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Valve Lifting Tool
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Patentees:
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Willis F. Hobbs (exact or similar names) - Bridgeport, Fairfield County, CT |
John A. Anderson (exact or similar names) - Bridgeport, Fairfield County, CT |
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Patent Dates:
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Applied: |
May 11, 1925 |
Granted: |
Nov. 23, 1926 |
Patent Pictures:
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Willis F. Hobbs and John A. Anderson patent Nov. 23, 1926 |
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Stan Schulz
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Description: |
Major components of the patent are the catch to hold the jaws in adjustment, and the stamped metal parts with the jaw and handle parts being identical for both sides.
Produced as early version of the Bridgeport "BULL PUP" valve lifter, and subsequently the subject of patent infringement litigation (KULP v. BRIDGEPORT HARDWARE MFG. CORPORATION).
Improved by patent no. 1,614,300 |
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