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CPC
B61K7/22
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B61
Railways
B61K
OTHER AUXILIARY EQUIPMENT FOR RAILWAYS
B61K7/00
Railway stops fixed to permanent way Track brakes or retarding apparatus fixed to permanent way Sand tracks or the like
Current Industry
B61K7/22
Axle stops
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Patents Grants
last 30 patents
Information
Patent Grant
Bridge crane hoist stop system
Patent number
4,509,431
Issue date
Apr 9, 1985
The United States of America as represented by the Secretary of the Navy
Gordon J. Laskowski
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
3306233
Patent number
3,306,233
Issue date
Feb 28, 1967
B61 - RAILWAYS
Information
Patent Grant
2900923
Patent number
2,900,923
Issue date
Aug 25, 1959
B61 - RAILWAYS
Information
Patent Grant
2835207
Patent number
2,835,207
Issue date
May 20, 1958
B61 - RAILWAYS
Information
Patent Grant
1726457
Patent number
1,726,457
Issue date
Aug 27, 1929
B61 - RAILWAYS
Information
Patent Grant
1690695
Patent number
1,690,695
Issue date
Nov 6, 1928
B61 - RAILWAYS
Information
Patent Grant
1594211
Patent number
1,594,211
Issue date
Jul 27, 1926
B61 - RAILWAYS
Information
Patent Grant
1446584
Patent number
1,446,584
Issue date
Feb 27, 1923
B61 - RAILWAYS
Information
Patent Grant
1409264
Patent number
1,409,264
Issue date
Mar 14, 1922
B61 - RAILWAYS
Patents Applications
last 30 patents