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Official data from INPI

SISTEMA DE RETENÇÃO EM COMPRESSORES

Prazo de SigiloInvention Patent

Application data

Number

PI8806360

Type

Invention Patent

Filing

12/02/1988

Publication

07/24/1990

Progress at the INPI

  1. Filing12/02/88
  2. Publication07/24/90
  3. Examination03/05/91
  4. Allowance03/09/93
  5. Grant09/28/93
  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: 04/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Freios Varga S/A

SP, BR

TRW Automotive Ltda.

SP, BR

TRW Automotive South America S.A

SP, BR

See this company's full portfolio

Inventors

J. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Carta-patente expirada

#21.1

Patente extinta em 02/12/2003

09/02/2008

RPI 1965

Alteração de nome deferida

#25.4

Alterado de: TRW Automotive South América S/A

03/09/2004

RPI 1731

Transferência deferida

#25.1

Transferido de: Freios Varga S.A.

10/17/2000

RPI 1554

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

06/29/1993

RPI 1178

Deferimento

#9.1

03/09/1993

RPI 1162

Exigência - art. 36 da LPI

#6.1

05/12/1992

RPI 1119

Solicitação de exame técnico

#4.1

03/05/1991

RPI 1057

Publicação do pedido de patente

#3.1

07/24/1990

RPI 1025

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