Pedido de licença compulsória
#20.1
06/21/1988
RPI 922
The letters patent expired on 11/22/1994: 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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
JOSE MARIANO ZEPPELINI [BR]
Inventors
Z. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
06/21/1988
RPI 922
#16.1
01/26/1988
RPI 901
#13.1
11/10/1987
RPI 890
#9.1
07/14/1987
RPI 873
#6.1
12/30/1986
RPI 845
#4.1
04/30/1985
RPI 758
#3.2
02/12/1985
RPI 747
#2.1
11/20/1984
RPI 735
#21.1
11/22/1994
RPI 1251
05/15/1990
RPI 1018
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.