IP Library › Granted Patent US 4,780,968
Granted Patent Utility
US 4,780,968 · App. 07/064,733

Heater device, particularly for ski boots

Inventor: Silvano Bragagnolo
Patented Case View Patent ↗
Granted: Nov 1, 1988 Filed: Jun 22, 1987
Inventor
Silvano Bragagnolo
Assignee (at issue)
Nordica S.p.A.

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 4,780,968
App. No.
07/064,733
Filed
1987-06-22
Granted
1988-11-01
Kind
A