CA Patent: CA-2,923
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| Pipe Tongs
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Patentee:
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| James R. Brown (exact or similar names) - Cambridge, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Dec. 19, 1873 |
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Patent Pictures:
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Hazen P. Huntoon (assignee of James R. Brown) edited from CANADIAN PATENT OFFICE RECORD |
CIPO Data
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Stan Schulz
Canadian patent no. 2,923 in FLICKR
2,923 in Canadian Patents Database
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Description: |
| The summary in the Canadian Patent Office Record describes a version of Brown's pipe tongs in which the adjusting thumb screw retains a fixed position in relation the the handle.
Corresponding U.S. patent no. 144,253 was issued to James R. Brown on November 4, 1873. The full patent (like corresponding British patent GB-187303762) folds in other alternatives which received separate U.S. patents (i.e. 142,143 and 145,929). |
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