B61D7/04 - CPC Classification Index

ClassID:

68082 ⎘

B61D7/04 - CPC Classification

Classification description:

Hopper cars with discharge openings in the bottoms the openings being above axle level during discharge

Recent Application in this class:

20200156667

2020-05-21

A RAILWAY WAGON

20190210621

2019-07-11

RAILROAD CAR AND DOOR MECHANISM THEREFOR

20160347331

2016-12-01

Hopper car discharge structure

20160137210

2016-05-19

Rail road hopper car

20160101790

2016-04-14

Railroad car and door mechanism therefor

20140331892

2014-11-13

Rail road hopper car ridge fittings

20140026781

2014-01-30

Railroad car and door mechanism therefor

20120199041

2012-08-09

Rail road hopper car ridge fittings

20120042804

2012-02-23

Rail road hopper car ridge fittings

#10

20110041724

2011-02-24

Railroad gondola car structure and mechanism therefor

#11

20100319570

2010-12-23

Rail road hopper car structure

#12

20100251923

2010-10-07

Railroad car and door mechanism therefor

#13

20100251922

2010-10-07

Railroad gondola car structure and mechanism therefor

#14

20100219148

2010-09-02

Railroad gondola car structure and mechanism therefor

#15

20100132587

2010-06-03

Rail road hopper car ridge fittings

#16

20080066642

2008-03-20

Rail road hopper car fittings and method of operation