US Patent Class 213
RAILWAY DRAFT APPLIANCES-- Main Headings




Electronic
File
Wrappers


Electronic
Patent
Documents


Paper
Patent
Documents

Current as of: June, 1999
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CLASS NOTES
1 R  DF  MISCELLANEOUS {1}
1.3  DF  COMBINED COUPLER AND ELECTRIC CONNECTOR {1}
2  DF  LOCOMOTIVE AND TENDER {3}
7  DF  CUSHIONED {9}
73  DF  CONTINUOUS
74  DF  RADIALLY MOVABLE
75 R  DF  COUPLINGS {9}
220  DF  CAR-END BUMPERS OR BUFFERS {1}
224  DF  SIDE-TRACK PUSH RODS