Pedido de licença compulsória
#20.1
10/31/1989
RPI 993
Progress at the INPI
- Filing11/23/78
- Publication
- Examination
- Allowance05/04/82
- Grant
- Expired05/24/94
The letters patent expired on 05/24/1994: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
IND ARTEFATOS METAIS J A LTD
Inventors
No inventors listed.
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
20.7
11/29/1983
RPI 684
Notificação para pagamento de retribuição
#13.1
09/08/1982
RPI 620
Deferimento
#9.1
05/04/1982
RPI 602
Exigência - art. 36 da LPI
#6.1
11/10/1981
RPI 577
Carta-patente expirada
#21.1
05/24/1994
RPI 1225
20.7
08/04/1992
RPI 1131
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