Solicitação de exame técnico
#4.1
09/20/1988
RPI 935
Application data
Number
PI8700256Type
Filing
Publication
The patent was granted on 04/30/1991 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: 09/20/1988. We update with every new RPI gazette, published weekly.
Applicants
Townsend Engineering Company
US
Inventors
R. T. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/20/1988
RPI 935
#3.1
12/08/1987
RPI 894
#2.1
05/26/1987
RPI 866
#18.2
10/17/1995
RPI 1298
#16.1
04/30/1991
RPI 1065
#13.1
01/08/1991
RPI 1049
#9.1
09/25/1990
RPI 1034
#6.1
03/13/1990
RPI 1009
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.