US Patent: 35,159
|
Improvement in Joiners' Squares Framing Square
|
Patentee:
|
|
John Iseman (exact or similar names) - Rosston, PA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Granted: |
May 06, 1862 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Ralph Brendler
|
Description: |
This is yet another framing square patent that uses a second sliding arm
to allow it to mark off specific angles for rafters and stairs. It is very
similar to the Shanklin (11,841 - 10/24/1854) and Whipple (14,329 -
2/23/1856) patents.
|
|