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Patent 15972 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 15972
(21) Application Number: 15972
(54) English Title: IMPROVEMENTS ON PIPE AND NUT WRENCHES AND PIPE CUTTERS
(54) French Title: PERFECTIONNEMENTS AUX CLES A TUYAUX ET ECROUS ET AUX DECOUPOIRS DES TUYAUX
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
Abstracts

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Claims

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Claim lst. In a wrench, the combination, with the connected jaws BB. having their inner edges opposite each other, of the handle A provided with tapering tongue so arranged that they will continually and automatically tighten their grasp on the pipe, or other article, by their wedge-like action while turning the tool in the opposite direction, will relax them. 2nd. The tool, when used as a pipe cutter, having a sharp-edged tongue or blade A3, in combination with suitable jaws so constructed that, when the tool is turned in one direction, the said knife A3 and jaw B will continually and automatically tighten their grasp by a wedgelike action and gradually cut in and through the pipe the cutting operation being performed by rotating the pipe on the edge d of the knife or tongue A. 3rd. In combination with the wrench, or pipe-cutter, the adjusting screw D, metallic block E, anti friction rollers E and handles A2 A3 A4.
Description

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Representative Drawing

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Administrative Status

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Event History

Description Date
Inactive: Expired (old Act Patent) latest possible expiry date 1900-12-18
Grant by Issuance 1882-12-18

Abandonment History

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Owners on Record

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Current Owners on Record
ISRAEL KINNEY
Past Owners on Record
None
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
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