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Official data from INPI

MACACO HIDRÁULICO DIFERENCIAL PARA COMANDO ÓLEO-PNEUMÁTICO DE DISJUNTOR ELÉTRICO

Em AnáliseInvention Patent
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Application data

Number

PI8801365

Type

Invention Patent

Filing

03/24/1988

Publication

11/01/1988
View on INPI

Progress at the INPI

  1. Filing03/24/88
  2. Publication11/01/88
  3. Examination07/04/89
  4. Allowance02/01/94
  5. Grant08/30/94
  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.

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Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. G. (pessoa física)

FR

Inventors

C. G. (pessoa física)

FR

Technical data

IPC Classification

H01H 33/34

Priority claims

FR

87 04 134 · 03/25/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/04/1989

RPI 976

Publicação do pedido de patente

#3.1

11/01/1988

RPI 941

Pedido de patente depositado

#2.1

07/19/1988

RPI 926

Carta-patente expirada

#21.1

Patente extinta em 24/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/24/1994

RPI 1225

Deferimento

#9.1

02/01/1994

RPI 1209

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