Concessão da patente
#16.1
06/30/1987
RPI 871
Application data
Number
PI8101134Type
Filing
Publication
The patent was granted on 06/30/1987 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
W.R. Grace & Co.
US
Inventors
M. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#9.1
09/30/1986
RPI 832
#6.1
08/06/1985
RPI 772
#6.1
01/15/1985
RPI 743
#4.1
07/24/1984
RPI 718
#3.1
10/19/1982
RPI 626
#15.11
A classificação anterior era: D04H 1/58.
08/28/2012
RPI 2173
#18.2
02/04/1992
RPI 1105
02/06/1990
RPI 1005
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.