Concessão da patente
#16.1
08/31/1982
RPI 619
Application data
Number
PI7705734Type
Filing
Publication
The letters patent expired on 07/13/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 08/31/1982. We update with every new RPI gazette, published weekly.
Applicants
NAT MACHINERY CO
Inventors
H. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/31/1982
RPI 619
#3.1
04/27/1982
RPI 601
03/23/1982
RPI 596
#9.1
12/22/1981
RPI 583
#21.1
07/13/1993
RPI 1180
Same category
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