Solicitação de exame técnico
#4.1
09/13/1988
RPI 934
Application data
Number
PI8504815Type
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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
PPG Industries, Inc.
US
Inventors
H. J. (pessoa física)
J. M. (pessoa física)
US
K. W. (pessoa física)
US
R. S. (pessoa física)
US
IPC Classification
Priority claims
US
656.292 · 10/01/1984
US
656.293 · 10/01/1984
US
656.386 · 10/01/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/13/1988
RPI 934
#3.1
07/22/1986
RPI 822
#2.1
12/10/1985
RPI 790
#18.2
09/19/1995
RPI 1294
#16.1
09/24/1991
RPI 1086
#15.11
07/16/1991
RPI 1076
#13.1
05/28/1991
RPI 1069
#9.1
02/13/1991
RPI 1054
#6.1
08/21/1990
RPI 1029
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.