Solicitação de exame técnico
#4.1
10/17/1989
RPI 991
Application data
Number
PI8505881Type
Filing
Publication
The patent was granted on 09/24/1991 and later terminated for failure to pay the annuities. The technology is in the public domain 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. G. (pessoa física)
US
Inventors
E. G. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/17/1989
RPI 991
#3.1
06/16/1987
RPI 869
#2.1
01/28/1986
RPI 797
#15.11
01/19/2010
RPI 2037
#18.2
08/15/1995
RPI 1289
#16.1
09/24/1991
RPI 1086
#13.1
04/30/1991
RPI 1065
#9.1
01/15/1991
RPI 1050
#7.1
07/31/1990
RPI 1026
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.