CA Patent: CA-54,773
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| Wrench
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Patentee:
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| Milton Wenger (exact or similar names) - New Holland, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 24, 1896 |
| Granted: |
Jan. 27, 1897 |
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Patent Pictures:
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1 | 2
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Milton Wenger patent Jan. 27, 1897 - edited from Canadian Patents Database |
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Stan Schulz
Canadian patent no. 54,773 in FLICKR
54,773 in Canadian Patents Database
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Description: |
| The patent combines the steep pitch thread and friction-reducing bearing of Wenger's U.S. patents no. 572,185 and 572,186 for "side-worm adjust" and "center knurled nut adjust" pocket wrenches. Corresponding British patent GB-189627293 was registered Dec. 1, 1896, and German patent DE-98,590 was granted with effective date Dec. 1, 1896.
The corresponding U.S. patents were granted Dec. 1, 1896.
The form in 572,185 (i.e Fig. 4 in 1st image) with subsequent refinements was produced as the "ball bearing wrench." |
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