IP Library Granted Patent US 5,477,540
Granted Patent Utility
US 5,477,540 · App. 07/880,805

Frame removal mechanism using end delimiter frames for token ring networks

Inventors: Henry S. Yang, K. K. Ramakrishnan, Barry A. Spinney, Rajendra K. Jain
Patented Case View Patent ↗
Granted: Dec 19, 1995 Filed: May 8, 1992
Inventors
Henry S. Yang
K. K. Ramakrishnan
Barry A. Spinney
Rajendra K. Jain
Assignee (at issue)
Digital Equipment Corporation, Patent Law Group

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 5,477,540
App. No.
07/880,805
Filed
1992-05-08
Granted
1995-12-19
Kind
A