Pedido de licença compulsória
#20.1
12/05/1989
RPI 998
Application data
Number
PI8202469Type
Filing
Publication
The patent was granted on 12/29/1987 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: 12/05/1989. We update with every new RPI gazette, published weekly.
Applicants
NL Industries INC
US
Inventors
E. L. (pessoa física)
US
K. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
12/05/1989
RPI 998
11/28/1989
RPI 997
#16.1
12/29/1987
RPI 897
#13.1
09/22/1987
RPI 883
#9.1
05/05/1987
RPI 863
#7.1
06/10/1986
RPI 816
03/05/1985
RPI 750
#4.1
08/16/1983
RPI 669
#3.1
04/12/1983
RPI 651
#2.1
06/15/1982
RPI 608
#18.2
07/18/1995
RPI 1285
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