US Patent: 356,645
|
Spirit Level
Akron Spirit Level
|
|
Patentee:
|
|
| Henry N. Jasper (exact or similar names) - Akron, OH |
|
|
Patent Dates:
|
| Applied: |
Apr. 06, 1886 |
| Granted: |
Jan. 25, 1887 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Russ Allen.
|
|
Description: |
| Holder of the spirit tube supported on elastic bearings to prevent breakage. Additionally, the inclusion of a permanent leveling mark and an adjustable index. Known example marked: AKRON SPIRIT LEVEL/PATENTED/JAN 25, 1887/AKRON O USA |
|
