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Official data from INPI

BLOQUEIO PARA UMA CHAVE DE AÇÃO RÁPIDA

PublicadaInvention Patent

Application data

Number

PI8803654

Type

Invention Patent

Filing

07/21/1988

Publication

02/14/1989

Progress at the INPI

  1. Filing07/21/88
  2. Publication02/14/89
  3. Examination05/21/91
  4. Allowance04/19/94
  5. Grant10/25/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Brown Boveri AG

CH

Inventors

E. S. (pessoa física)

CH

H. D. (pessoa física)

FR

S. M. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

2776/87 · 07/22/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/14/1989

RPI 956

Pedido de patente depositado

#2.1

12/27/1988

RPI 949

Carta-patente expirada

#21.1

Patente extinta em 21/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

08/16/1994

RPI 1237

Deferimento

#9.1

04/19/1994

RPI 1220

Solicitação de exame técnico

#4.1

05/21/1991

RPI 1068

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