20.4
11/24/1987
RPI 892
The patent was granted on 05/28/1985 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
C. H. (pessoa física)
C. C. (pessoa física)
US
Inventors
W. H. (pessoa física)
IPC Classification
Priority claims
DE
P 29 33 302.6 · 08/17/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
11/24/1987
RPI 892
11/24/1987
RPI 892
#16.1
05/28/1985
RPI 762
12/26/1984
RPI 740
12/18/1984
RPI 739
#13.1
10/23/1984
RPI 731
#9.1
06/26/1984
RPI 714
#6.1
11/22/1983
RPI 683
#4.1
04/12/1983
RPI 651
#18.2
08/02/1994
RPI 1235
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