Deferimento
#9.1
10/10/1989
RPI 990
Application data
Number
PI8507322Type
Filing
Publication
The patent was granted on 05/29/1990 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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants
Vsesojuzny Nauchno-Issledovatelsky Institut Burovoi Tekhniki
SU
Inventors
D. B. (pessoa física)
SU
L. K. (pessoa física)
SU
V. S. (pessoa física)
SU
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
10/10/1989
RPI 990
#4.1
09/13/1988
RPI 934
#1.3
02/09/1988
RPI 903
#18.2
08/15/1995
RPI 1289
#16.1
05/29/1990
RPI 1020
#13.1
02/06/1990
RPI 1005
From the same holder
Same category
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