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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

PI8801717

Type

Invention Patent

Filing

04/12/1988

Publication

11/16/1988
View on INPI

Progress at the INPI

  1. Filing04/12/88
  2. Publication11/16/88
  3. Examination05/23/89
  4. Allowance11/30/93
  5. Grant06/28/94
  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: 05/23/1989. 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 3/24

Priority claims

FR

87 05 198 · 04/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/23/1989

RPI 970

Publicação do pedido de patente

#3.1

11/16/1988

RPI 943

Pedido de patente depositado

#2.1

08/30/1988

RPI 932

Carta-patente expirada

#21.1

Patente extinta em 12/04/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

04/19/1994

RPI 1220

Deferimento

#9.1

11/30/1993

RPI 1200

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