Concessão da patente
#16.1
08/25/1987
RPI 879
Application data
Number
PI8301356Type
Filing
Publication
The patent was granted on 08/25/1987 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: 08/25/1987. We update with every new RPI gazette, published weekly.
Applicants
W.R. Grace & Co.
US
Inventors
C. L. (pessoa física)
S. A. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/25/1987
RPI 879
#9.1
03/17/1987
RPI 856
#4.1
01/14/1986
RPI 795
#3.1
11/29/1983
RPI 684
#2.1
05/03/1983
RPI 654
#18.2
10/02/1990
RPI 1035
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.