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Industry
CPC
B61L5/105
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B61
Railways
B61L
GUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00
Local operating mechanisms for points or track-mounted scotch-blocks Visible or audible signals Local operating mechanisms for visible or audible signals
Current Industry
B61L5/105
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Patents Grants
last 30 patents
Information
Patent Grant
1710002
Patent number
1,710,002
Issue date
Apr 23, 1929
B61 - RAILWAYS
Information
Patent Grant
1622019
Patent number
1,622,019
Issue date
Mar 22, 1927
B61 - RAILWAYS
Information
Patent Grant
1598485
Patent number
1,598,485
Issue date
Aug 31, 1926
B61 - RAILWAYS
Information
Patent Grant
1554545
Patent number
1,554,545
Issue date
Sep 22, 1925
B61 - RAILWAYS
Patents Applications
last 30 patents