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Official data from INPI

RETENTOR PARA O CILINDRO MESTRE.

Em AnáliseInvention Patent

Application data

Number

PI8605777

Type

Invention Patent

Filing

11/25/1986

Publication

06/28/1988

Progress at the INPI

  1. Filing11/25/86
  2. Publication06/28/88
  3. Examination09/27/88
  4. Allowance05/07/91
  5. Grant02/04/92
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Freios Vargas S/A

SP, BR

Inventors

A. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/27/1988

RPI 936

Publicação do pedido de patente

#3.1

06/28/1988

RPI 923

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Carta-patente expirada

#21.1

Patente extinta em 25/11/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/04/1992

RPI 1105

Notificação para pagamento de retribuição

#13.1

08/20/1991

RPI 1081

Deferimento

#9.1

05/07/1991

RPI 1066

Exigência - art. 36 da LPI

#6.1

10/23/1990

RPI 1038

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