Solicitação de exame técnico
#4.1
04/05/1988
RPI 911
Application data
Number
PI8507296Type
Filing
Publication
PCT
US1985001909 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: 04/05/1988. We update with every new RPI gazette, published weekly.
Applicants
E. F. (pessoa física)
US
Inventors
G. S. (pessoa física)
US
S. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/05/1988
RPI 911
#1.3
11/03/1987
RPI 889
#21.1
Patente extinta em 27/09/2000
07/15/2008
RPI 1958
#16.1
05/25/1993
RPI 1173
#9.1
12/01/1992
RPI 1148
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.