Chair having a vertically adjustable seat

US 2,542,480 A
Filed: 11/29/1945
Issued: 02/20/1951
Est. Priority Date: 03/16/1944
Status: Expired due to Term

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Current Assignee
Harold W. Cramer, Roy A. Cramer, Roy A. Cramer Jr
Original Assignee
Harold W. Cramer, Roy A. Cramer, Roy A. Cramer Jr
Inventors
Cramer, Roy A., Cramer, Roy A. Jr., Cramer, Harold W.

Application Number

US02/631,646
Time in Patent Office

1,909 Days
Field of Search
US Class Current

248/408
CPC Class Codes

A47C 3/24   with vertical spindle

A47C 3/26   with vertical, or inclined ...

A47C 7/506   of adjustable type

A47C 7/5064   in vertical direction