Solicitação de exame técnico
#4.1
10/24/1989
RPI 992
Application data
Number
PI8705920Type
Filing
Publication
The patent was granted on 01/26/1993 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Hughes Tool Company.
US
Hughes Tool Company - USA
US
Inventors
A. Z. (pessoa física)
US
E. G. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/24/1989
RPI 992
#3.1
06/14/1988
RPI 921
#2.1
02/23/1988
RPI 905
#18.2
06/25/1996
RPI 1334
#16.1
01/26/1993
RPI 1156
#13.1
08/11/1992
RPI 1132
#9.1
03/17/1992
RPI 1111
#6.1
07/02/1991
RPI 1074
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.