on 21 Sep 1998
Last Applicant/ Owned by
1789 BRADDOCK AVE., SWISSVALE P.O.
PITTSBURGH
PA
Serial Number
72026998 filed on 26th Mar 1957
Registration Number
655753 registered on 17th Dec 1957
Correspondent Address
Filing Basis
1. use application currently
Disclaimer
NO DATA
CAR RETARDER VALVES APPARATUS FOR RAILWAY CLASSIFICATION YARD NAMELY, AUTOMATIC TRACK SWITCHING SYSTEMS, ROLLING RESISTANCE RECORDING AND STORAGE UNITS, TRACK CAPACITY EQUIPMENT, LEAVING VELOCITY COMPUTING EQUIPMENT, INFORMATION STORAGE AND TRANSFER EQUIPMENT, ROLLING RESISTANCE MEASURING, STORAGE AND TRANSFER EQUIPMENT, VOLTAGE SUMMING PANELS, INFORMATION READOUT PANELS, SPEED SELECTION PANELS, Read More
POWER SUPPLIES; CAR RETARDER SYSTEMS; AUTOMATIC SWITCHING SYSTEMS; CAR RETARDERS; AND CLASSIFICATION YARD CONTROL MACHINES
20th Feb 1957
20th Feb 1957
CAR RETARDER VALVES
20th Feb 1957
20th Feb 1957
APPARATUS FOR RAILWAY CLASSIFICATION YARD NAMELY, AUTOMATIC TRACK SWITCHING SYSTEMS, ROLLING RESISTANCE RECORDING AND STORAGE UNITS, TRACK CAPACITY EQUIPMENT, LEAVING VELOCITY COMPUTING EQUIPMENT, INFORMATION STORAGE AND TRANSFER EQUIPMENT, ROLLING RESISTANCE MEASURING, STORAGE AND TRANSFER EQUIPMENT, VOLTAGE SUMMING PANELS, INFORMATION READOUT PANELS, SPEED SELECTION PANELS, SPEED CHECK PANELS, SPEED STORAGE PANELS, CURVED TRACK ROLLING RESISTANCE COMPUTERS, COMPUTER RATIO PANELS, SPEED CONTROL APPARATUS, COORDINATOR UNITS, AUTOMATIC RETARDER CONTROLS, VELOCITY METERS AND CLASSIFICATION YARD CONTROL MACHINES
20th Feb 1957
20th Feb 1957
No 72026998
No Service/Collective Mark
No
No
No
No
No
No
No
No
No
Status Date | Action Taken |
---|---|
21st Sep 1998 | EXPIRED SEC. 9 |
17th Dec 1977 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |