Solicitação de exame técnico
#4.1
06/24/1986
RPI 818
Application data
Number
PI8501525Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
R. A. (pessoa física)
DE
Inventors
D. C. (pessoa física)
DE
D. K. (pessoa física)
DE
D. L. (pessoa física)
DE
H. B. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 34 12 335.0 · 04/03/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/24/1986
RPI 818
#3.1
11/26/1985
RPI 788
#2.1
06/25/1985
RPI 766
#21.1
Patente extinta em 02/04/2000
07/15/2008
RPI 1958
#16.1
08/31/1993
RPI 1187
#13.1
07/20/1993
RPI 1181
04/13/1993
RPI 1167
#9.1
03/02/1993
RPI 1161
#6.1
10/15/1991
RPI 1089
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.