110
11/07/1989
RPI 994
The letters patent expired on 10/03/1995: 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: 11/07/1989. We update with every new RPI gazette, published weekly.
Applicants
Carl Freudenberg, firma alemã
DE
Inventors
H. H. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
11/07/1989
RPI 994
02/21/1989
RPI 957
#12.1
04/12/1988
RPI 912
#9.1
12/29/1987
RPI 897
#5.1
03/16/1982
RPI 595
#21.1
10/03/1995
RPI 1296
#16.1
03/20/1990
RPI 1010
#13.1
01/23/1990
RPI 1003
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.