Home
|
FAQ
Search:
Advanced
|
Person
|
Company
|
Type
|
Class
Login
Quick search:
Patent number:
Patent Date:
US Patent: 1,639,965
Alarm gauge
Patentee:
Walter F. Priest (
exact
or
similar
names) - Somerville, MA
USPTO Classifications:
200/56R
,
200/81.8
Tool Categories:
propulsion and energy
:
steam apparatus
:
stationary boilers
:
steam pressure gauges
Assignees:
Ashton Valve Co.
- Cambridge, MA
Manufacturer:
Ashton Valve Co.
- Boston, MA
Witnesses:
Unknown
Patent Dates:
Applied:
May 02, 1925
Granted:
Aug. 23, 1927
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Ashton Valve Co.
Copyright © 2002-2024 - DATAMP