Concessão da patente
#16.1
10/27/1987
RPI 888
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Official data from INPI
DISPOSITIVO DE EMENDA DE BARRAMENTO ELETRICO
ConcedidaUtility Model
Progress at the INPI
- Filing04/03/84
- Publication11/12/85
- Examination05/13/86
- Allowance02/17/87
- Grant10/27/87
- Expired10/04/94
The letters patent expired on 10/04/1994: 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: 10/27/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
DUERR DO BRASIL S A EQUIPAMENT [BR]
Inventors
K. I. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
06/23/1987
RPI 870
Deferimento
#9.1
02/17/1987
RPI 852
Solicitação de exame técnico
#4.1
05/13/1986
RPI 812
Publicação do pedido de patente
#3.1
11/12/1985
RPI 786
Pedido de patente depositado
#2.1
06/19/1984
RPI 713
Carta-patente expirada
#21.1
10/04/1994
RPI 1244
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