16.4
07/24/1984
RPI 718
The patent was granted on 04/24/1984 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: 07/24/1984. We update with every new RPI gazette, published weekly.
Applicants
Smith International, Inc.
US
Inventors
C. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/24/1984
RPI 718
#16.1
04/24/1984
RPI 705
#15.11
04/17/1984
RPI 704
#13.1
02/07/1984
RPI 694
#15.11
02/07/1984
RPI 694
#9.1
10/25/1983
RPI 679
#7.1
06/07/1983
RPI 659
#6.1
01/11/1983
RPI 638
#4.1
06/15/1982
RPI 608
#18.2
05/04/1993
RPI 1170
From the same holder
Same category
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