US Patent: 2,724,302
|
| Tool to Be Attached to a Screw Machine or the Like
|
|
Patentee:
|
|
| John E. Poorman (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Mar. 10, 1953 |
| Granted: |
Nov. 22, 1955 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Joel Havens
|
|
Description: |
| Claim:
The object of the invention is to provide a tool which can be readily attached to a screw or like machine to enter the interior of a tube or the bore in the end of a rod while making a washer, sleeve or collar, or to form a groove on the periphery of a tube. |
|
