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Official data from INPI

APERFEIÇOAMENTO EM CONJUNTO DE BRAÇO DE PONTA DE EIXO E PINO-MESTRE DE DIREÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8602029

Type

Invention Patent

Filing

05/06/1986

Publication

01/06/1987

Progress at the INPI

  1. Filing05/06/86
  2. Publication01/06/87
  3. Examination02/14/89
  4. Allowance09/04/90
  5. Grant04/30/91
  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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V.W. Kaiser Engineering, Inc.

US

Inventors

J. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

731.557 · 05/07/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/14/1989

RPI 956

Publicação do pedido de patente

#3.1

01/06/1987

RPI 846

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Carta-patente expirada

#21.1

Patente extinta em 06/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

04/30/1991

RPI 1065

Notificação para pagamento de retribuição

#13.1

12/18/1990

RPI 1046

Deferimento

#9.1

09/04/1990

RPI 1031

Exigência - art. 36 da LPI

#6.1

03/06/1990

RPI 1008

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