IP Library › Granted Patent US 5,255,713
Granted Patent Utility
US 5,255,713 · App. 07/819,268

Valve with integral plastic spring for poppet

Inventors: William J. Scholle, Chester Savage
Patented Case View Patent ↗
Granted: Oct 26, 1993 Filed: Jan 10, 1992
Inventors
William J. Scholle
Chester Savage
Assignee (at issue)
Scholle Corporation

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 5,255,713
App. No.
07/819,268
Filed
1992-01-10
Granted
1993-10-26
Kind
A