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Official data from INPI

GERADOR DE PRESSÃO HIDRÁULICA

Em AnáliseInvention Patent

Application data

Number

PI8502499

Type

Invention Patent

Filing

05/22/1985

Publication

01/28/1986

Progress at the INPI

  1. Filing05/22/85
  2. Publication01/28/86
  3. Examination01/19/88
  4. Allowance07/04/89
  5. Grant02/06/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bendiberica S/A

ES

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Inventors

C. F. (pessoa física)

ES

J. B. (pessoa física)

ES

Technical data

IPC Classification

Priority claims

ES

532.679 · 05/22/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

10/31/1989

RPI 993

Deferimento

#9.1

07/04/1989

RPI 976

Conhecimento de parecer técnico

#7.1

09/27/1988

RPI 936

Pedido de certificado de adição de invenção

#5.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

01/19/1988

RPI 900

Publicação do pedido de patente

#3.1

01/28/1986

RPI 797

Pedido de patente depositado

#2.1

08/06/1985

RPI 772

Carta-patente expirada

#21.1

Patente extinta em 22/05/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

02/06/1990

RPI 1005

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