Solicitação de exame técnico
#4.1
02/23/1988
RPI 905
Application data
Number
PI8606931Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 02/23/1988. We update with every new RPI gazette, published weekly.
Applicants
M. C. (pessoa física)
US
Inventors
R. S. (pessoa física)
US
IPC Classification
Priority claims
US
794.823 · 11/01/1985
US
910.040 · 09/22/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/23/1988
RPI 905
#1.3
11/03/1987
RPI 889
#21.1
Patente extinta em 29/10/2001
07/22/2008
RPI 1959
#16.1
08/25/1992
RPI 1134
#13.1
03/10/1992
RPI 1110
#9.1
10/29/1991
RPI 1091
#7.1
07/31/1990
RPI 1026
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.