IP Library › Granted Patent US 4,262,602
Granted Patent Utility
US 4,262,602 · App. 06/088,268

Covered hopper car partition attachment stiffness sheet modifier

Inventors: Babgaunda A. Patil, Phillip G. Przybylinski
Patented Case View Patent ↗
Granted: Apr 21, 1981 Filed: Oct 25, 1979
Inventors
Babgaunda A. Patil
Phillip G. Przybylinski
Assignee (at issue)
The Pullman Company LLC

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,262,602
App. No.
06/088,268
Filed
1979-10-25
Granted
1981-04-21
Kind
A