IP Library › Granted Patent US 4,311,000
Granted Patent Utility
US 4,311,000 · App. 06/071,027

Novelty yarn production

Inventors: Joe Forrest London, Jr., Charles D. Pugh
Patented Case View Patent ↗
Granted: Jan 19, 1982 Filed: Aug 29, 1979
Inventors
Joe Forrest London, Jr.
Charles D. Pugh
Assignee (at issue)
Burlington Industries 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 4,311,000
App. No.
06/071,027
Filed
1979-08-29
Granted
1982-01-19
Kind
A