Concessão da patente
#16.1
09/29/1987
RPI 884
The letters patent expired on 12/07/1993: 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
#13.1
06/09/1987
RPI 868
#9.1
01/06/1987
RPI 846
07/29/1986
RPI 823
#7.1
07/23/1985
RPI 770
12/18/1984
RPI 739
#4.1
06/15/1982
RPI 608
#3.2
03/09/1982
RPI 594
#2.1
02/09/1982
RPI 590
#21.1
12/07/1993
RPI 1201
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.