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Chair tilting mechanism
US 3,369,840 A
Filed
: 07/22/1966
Issued
: 02/20/1968
Est. Priority Date
: 07/23/1965
Status: Expired due to Term
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Current Assignee
Ronald Dufton
Original Assignee
Ronald Dufton
Inventors
RONALD DUFTON
Application Number
US04/567,209
Time in Patent Office
578 Days
Field of Search
US Class Current
297/300.1
CPC Class Codes
A47C 1/03255
with a central column, e.g....
A47C 1/03266
with adjustable elasticity
A47C 1/03277
with bar or leaf springs
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