IP Library › Granted Patent US 4,683,311
Granted Patent Utility
US 4,683,311 · App. 06/821,292

Spiro[isoxazalidine-3,2'-tricyclo[3.3.1.1.sup.3,7 ] decanes]

Inventors: Vassil S. Georgiev, George B. Mullen
Patented Case View Patent ↗
Granted: Jul 28, 1987 Filed: Jan 22, 1986
Inventors
Vassil S. Georgiev
George B. Mullen
Assignee (at issue)
Pennwalt 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 4,683,311
App. No.
06/821,292
Filed
1986-01-22
Granted
1987-07-28
Kind
A