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Windshield cleaner
US 2,890,472 A
Filed
: 04/21/1955
Issued
: 06/16/1959
Est. Priority Date
: 04/21/1955
Status: Expired due to Term
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38
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Current Assignee
Carl F. Olson
Original Assignee
Carl F. Olson
Inventors
Olson, Carl F.
Application Number
US03/502,851
Time in Patent Office
1,517 Days
Field of Search
US Class Current
15/250.352
CPC Class Codes
B60S 1/34
Wiper arms; Mountings there...
B60S 1/3431
Link pieces
B60S 1/3436
Mounting heads
B60S 1/3465
with coil springs
B60S 1/3801
characterised by a blade su...
B60S 1/40
Connections between blades ...
B60S 2001/3812
Means of supporting or hold...
B60S 2001/3817
chacterised by a backing st...
B60S 2001/4096
Connections between arm and...
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