Solicitação de exame técnico
#4.1
10/17/1989
RPI 991
Application data
Number
PI8604645Type
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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
E. H. (pessoa física)
US
E. H. (pessoa física)
US
Inventors
E. H. (pessoa física)
US
E. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/17/1989
RPI 991
#3.1
06/09/1987
RPI 868
#2.1
03/24/1987
RPI 857
#21.1
Patente extinta em 25/09/2001
07/22/2008
RPI 1959
#16.1
11/29/1994
RPI 1252
#13.1
08/09/1994
RPI 1236
#9.1
04/12/1994
RPI 1219
#6.1
08/03/1993
RPI 1183
#6.1
12/22/1992
RPI 1151
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.