IP Library › Granted Patent US 5,948,127
Granted Patent Utility
US 5,948,127 · App. 08/962,013

Cyclone dust collector

Inventors: Susumu Minakawa, Takao Kawasaki
Patented Case View Patent ↗
Granted: Sep 7, 1999 Filed: Oct 31, 1997
Inventors
Susumu Minakawa
Takao Kawasaki
Assignee (at issue)
Japan Nuclear Cycle Development Institute

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 5,948,127
App. No.
08/962,013
Filed
1997-10-31
Granted
1999-09-07
Kind
A