US Patent: 11,364
|
Arrangement for lathe-chucks Self-centering hub-boring machine
|
|
Patent Dates:
|
Granted: |
Jul. 25, 1854 |
Patent Pictures:
[
1 | 2 | 3
]
|
|
|
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin Vintage Machinery entry for Dole, Silver & Deming Vintage Machinery entry for Dole & Silver
|
Description: |
According to the 1873 "Subject-matter index of patents for inventions issued by the United States Patent Office", this patent was granted an extension. An example of this chuck is seen on a hub borer marked, "Dole's Patent July 25, 1854, Manufactured only by Dole & Silver, Col'a (Columbiana) Co, Ohio". |
|