Solicitação de exame técnico
#4.1
02/12/1986
RPI 799
Application data
Number
PI8300679Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 02/12/1986. We update with every new RPI gazette, published weekly.
Applicants
M. H. (pessoa física)
DE
Inventors
D. S. (pessoa física)
DE
D. F. (pessoa física)
DE
K. K. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/12/1986
RPI 799
#3.1
11/08/1983
RPI 681
#2.1
03/29/1983
RPI 649
#21.1
Patente extinta em 10/02/98
07/01/2008
RPI 1956
#16.1
08/29/1995
RPI 1291
#13.1
06/27/1995
RPI 1282
#9.1
02/07/1995
RPI 1262
#6.1
05/03/1994
RPI 1222
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.