Solicitação de exame técnico
#4.1
10/04/1988
RPI 937
Application data
Number
PI8600563Type
Filing
Publication
The patent was granted on 06/30/1992 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: 10/04/1988. We update with every new RPI gazette, published weekly.
Applicants
W. C. (pessoa física)
US
Inventors
D. W. (pessoa física)
US
F. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/04/1988
RPI 937
#3.1
10/21/1986
RPI 835
#2.1
07/29/1986
RPI 823
#18.2
09/26/1995
RPI 1295
#16.1
06/30/1992
RPI 1126
#13.1
01/14/1992
RPI 1102
#9.1
09/10/1991
RPI 1084
#6.1
04/02/1991
RPI 1061
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.