20.4
11/10/1987
RPI 890
Application data
Number
PI8301848Type
Filing
Publication
The patent was granted on 04/28/1987 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: 11/10/1987. We update with every new RPI gazette, published weekly.
Applicants
HDL PROD ELETRON IND COM LTDA [BR]
Inventors
L. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/10/1987
RPI 890
#16.1
04/28/1987
RPI 862
#13.1
12/02/1986
RPI 841
#9.1
08/12/1986
RPI 825
12/17/1985
RPI 791
#4.1
02/20/1985
RPI 748
#3.1
11/13/1984
RPI 734
#2.1
05/24/1983
RPI 657
#18.2
04/25/1995
RPI 1273
From the same holder
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