20.7
05/27/1986
RPI 814
The patent was granted on 08/28/1984 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: 05/27/1986. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
US
Inventors
K. M. (pessoa física)
K. W. (pessoa física)
IPC Classification
Priority claims
US
001809 · 01/08/1979
US
79/01140 · 12/13/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
05/27/1986
RPI 814
#16.1
08/28/1984
RPI 723
#13.1
06/12/1984
RPI 712
#9.1
02/21/1984
RPI 696
#6.1
08/16/1983
RPI 669
#4.1
11/16/1982
RPI 630
08/03/1982
RPI 615
04/27/1982
RPI 601
#18.2
04/26/1994
RPI 1221
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