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US Patent: 4,955X
Cast iron sheaves for ships' blocks
Cast iron shives for shipping
Patentee:
Francis Seymour - Plymouth, MA

USPTO Classifications:

Tool Categories:
structures : nautical : dry docks : blocks and wedges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Dec. 29, 1827

Patent Pictures:
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Description:
Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. There are no patent drawings available. This patent is in the database for reference only.

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