Solicitação de exame técnico
#4.1
11/29/1988
RPI 945
Application data
Number
PI8601760Type
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: 11/29/1988. We update with every new RPI gazette, published weekly.
Applicants
I. C. (pessoa física)
US
Inventors
B. K. (pessoa física)
US
F. D. (pessoa física)
US
M. S. (pessoa física)
US
R. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/29/1988
RPI 945
#3.1
12/23/1986
RPI 844
#2.1
10/29/1986
RPI 836
#21.1
Patente extinta em 18/04/2001
07/22/2008
RPI 1959
#15.11
04/30/1991
RPI 1065
#16.1
06/26/1990
RPI 1024
#9.1
02/13/1990
RPI 1006
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.