Deferimento
#9.1
08/29/1989
RPI 984
The letters patent expired on 12/19/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
SP, BR
Inventors
U. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
08/29/1989
RPI 984
#6.1
02/14/1989
RPI 956
#4.1
07/01/1986
RPI 819
#3.2
02/25/1986
RPI 801
#2.1
02/18/1986
RPI 800
#21.1
12/19/1995
RPI 1307
#16.1
04/24/1990
RPI 1015
#13.1
01/09/1990
RPI 1001
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.