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Safety cushion
US 3,000,020 A
Filed
: 05/15/1958
Issued
: 09/19/1961
Est. Priority Date
: 05/15/1958
Status: Expired due to Term
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Current Assignee
Charles F. Lombard
,
Kenneth E. Green
Original Assignee
Charles F. Lombard
,
Kenneth E. Green
Inventors
Lombard, Charles F.
,
Green, Kenneth E.
Application Number
US03/735,399
Time in Patent Office
1,223 Days
Field of Search
US Class Current
5/653
CPC Class Codes
A47C 7/20
with reinforcement in the f...
B60N 2/4242
vertical
B60N 2/42709
involving residual deformat...
B60N 2/70
Upholstery springs ; Uphols...
B64D 25/04
Seat modifications
Y10S 297/01
Foam
Y10T 428/24165
Hexagonally shaped cavities
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