Concessão da patente
#16.1
03/31/1987
RPI 858
Application data
Number
PI8108725Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
V. R. (pessoa física)
Inventors
V. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/31/1987
RPI 858
#13.1
11/04/1986
RPI 837
#9.1
07/08/1986
RPI 820
#6.1
11/12/1985
RPI 786
#4.1
05/02/1984
RPI 706
#1.3
06/22/1982
RPI 609
#21.1
Patente extinta em 11/08/96
08/19/2008
RPI 1963
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.