Concessão da patente
#16.1
02/26/1985
RPI 749
Progress at the INPI
- Filing12/16/80
- Publication
- Examination
- Allowance
- Grant02/26/85
- Expired03/19/96
The letters patent expired on 03/19/1996: 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: 02/26/1985. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Swiss Aluminium Ltd.
CH
Inventors
B. E. (pessoa física)
S. K. (pessoa física)
T. L. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Petição de recurso
#12.2
02/14/1984
RPI 695
Indeferimento
#9.2
11/01/1983
RPI 680
Carta-patente expirada
#21.1
03/19/1996
RPI 1320
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