Solicitação de exame técnico
#4.1
04/11/1989
RPI 964
Application data
Number
PI8507248Type
Filing
Publication
The patent was granted on 09/25/1990 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: 04/11/1989. We update with every new RPI gazette, published weekly.
Applicants
Vsesojuzny Nauchno-Issledovatelsky Institut Burovoi Tekhniki
SU
Inventors
D. B. (pessoa física)
SU
J. V. (pessoa física)
SU
M. G. (pessoa física)
SU
V. K. (pessoa física)
SU
V. S. (pessoa física)
SU
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/11/1989
RPI 964
#1.3
10/27/1987
RPI 888
#18.2
08/15/1995
RPI 1289
#16.1
09/25/1990
RPI 1034
#9.1
04/10/1990
RPI 1013
From the same holder
Same category
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