US Patent: 914,978 - Overflow device for pressure-tanks, &c.


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 914,978

Overflow device for pressure-tanks, &c.

Patentee:

William H. Ridgway (exact or similar names) - Coatesville, PA

USPTO Classifications:

137/519.5, 222/52

Tool Categories:

material handling : hoists, winches, come-alongs

Assignees:

None

Manufacturer:

Craig Ridgway & Son Co. - Coatesville, PA

Witnesses:

Joseph H. Klein

William A. Barr

Patent Dates:
Applied:	Sep. 07, 1906
Granted:	Mar. 09, 1909

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Craig Ridgway & Son Co.

Description:

"My invention is especially adapted for use in connection with the steam hydraulic hoist for which application for patent was filed by me on the 30th day of September, 1904, Serial No. 226,690, and allowed April 9, 1906 (patent 833,632)..."