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CPC
B61L29/26
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B61
Railways
B61L
GUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L29/00
Safety means for rail/road crossing traffic
Current Industry
B61L29/26
mechanically operated
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Patents Grants
last 30 patents
Information
Patent Grant
2692311
Patent number
2,692,311
Issue date
Oct 19, 1954
B61 - RAILWAYS
Information
Patent Grant
2309461
Patent number
2,309,461
Issue date
Jan 26, 1943
B61 - RAILWAYS
Information
Patent Grant
2211756
Patent number
2,211,756
Issue date
Aug 20, 1940
B61 - RAILWAYS
Information
Patent Grant
2042879
Patent number
2,042,879
Issue date
Jun 2, 1936
B61 - RAILWAYS
Information
Patent Grant
2024061
Patent number
2,024,061
Issue date
Dec 10, 1935
B61 - RAILWAYS
Information
Patent Grant
2006120
Patent number
2,006,120
Issue date
Jun 25, 1935
B61 - RAILWAYS
Information
Patent Grant
1798302
Patent number
1,798,302
Issue date
Mar 31, 1931
B61 - RAILWAYS
Information
Patent Grant
1768640
Patent number
1,768,640
Issue date
Jul 1, 1930
B61 - RAILWAYS
Information
Patent Grant
1747881
Patent number
1,747,881
Issue date
Feb 18, 1930
B61 - RAILWAYS
Information
Patent Grant
1739842
Patent number
1,739,842
Issue date
Dec 17, 1929
B61 - RAILWAYS
Information
Patent Grant
1738278
Patent number
1,738,278
Issue date
Dec 3, 1929
B61 - RAILWAYS
Information
Patent Grant
1735647
Patent number
1,735,647
Issue date
Nov 12, 1929
B61 - RAILWAYS
Information
Patent Grant
1733717
Patent number
1,733,717
Issue date
Oct 29, 1929
B61 - RAILWAYS
Information
Patent Grant
1733884
Patent number
1,733,884
Issue date
Oct 29, 1929
B61 - RAILWAYS
Information
Patent Grant
1725505
Patent number
1,725,505
Issue date
Aug 20, 1929
B61 - RAILWAYS
Information
Patent Grant
1719012
Patent number
1,719,012
Issue date
Jul 2, 1929
B61 - RAILWAYS
Information
Patent Grant
1716683
Patent number
1,716,683
Issue date
Jun 11, 1929
B61 - RAILWAYS
Information
Patent Grant
1714417
Patent number
1,714,417
Issue date
May 21, 1929
B61 - RAILWAYS
Information
Patent Grant
1698966
Patent number
1,698,966
Issue date
Jan 15, 1929
B61 - RAILWAYS
Information
Patent Grant
1689165
Patent number
1,689,165
Issue date
Oct 23, 1928
B61 - RAILWAYS
Information
Patent Grant
1680605
Patent number
1,680,605
Issue date
Aug 14, 1928
B61 - RAILWAYS
Information
Patent Grant
1673633
Patent number
1,673,633
Issue date
Jun 12, 1928
B61 - RAILWAYS
Information
Patent Grant
1669121
Patent number
1,669,121
Issue date
May 8, 1928
B61 - RAILWAYS
Information
Patent Grant
1662419
Patent number
1,662,419
Issue date
Mar 13, 1928
B61 - RAILWAYS
Information
Patent Grant
1657489
Patent number
1,657,489
Issue date
Jan 31, 1928
B61 - RAILWAYS
Information
Patent Grant
1656965
Patent number
1,656,965
Issue date
Jan 24, 1928
B61 - RAILWAYS
Information
Patent Grant
1656822
Patent number
1,656,822
Issue date
Jan 17, 1928
B61 - RAILWAYS
Information
Patent Grant
1641855
Patent number
1,641,855
Issue date
Sep 6, 1927
B61 - RAILWAYS
Information
Patent Grant
1625873
Patent number
1,625,873
Issue date
Apr 26, 1927
B61 - RAILWAYS
Information
Patent Grant
1620600
Patent number
1,620,600
Issue date
Mar 8, 1927
B61 - RAILWAYS
Patents Applications
last 30 patents