Cessão de direito de exploração
#22.1
08/26/1986
RPI 827
Progress at the INPI
- Filing06/24/80
- Publication02/24/82
- Examination06/22/82
- Allowance09/25/84
- Grant05/28/85
- Expired12/07/93
The letters patent expired on 12/07/1993: 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: 08/26/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
No applicants.
Inventors
E. B. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
05/28/1985
RPI 762
15.10
02/05/1985
RPI 746
Notificação para pagamento de retribuição
#13.1
01/29/1985
RPI 745
Deferimento
#9.1
09/25/1984
RPI 727
Conhecimento de parecer técnico
#7.1
10/25/1983
RPI 679
Solicitação de exame técnico
#4.1
06/22/1982
RPI 609
Publicação do pedido de patente
#3.1
02/24/1982
RPI 592
Carta-patente expirada
#21.1
12/07/1993
RPI 1201
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