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Official data from INPI

APERFEIÇOAMENTO EM PROCESSO DE PRODUZIR UM MATERIAL DE MANCAL À BASE DE ALUMÍNIO METÁLICO EM PÓ

PublicadaInvention Patent

Application data

Number

PI8702767

Type

Invention Patent

Filing

05/29/1987

Publication

03/01/1988

Progress at the INPI

  1. Filing05/29/87
  2. Publication03/01/88
  3. Examination06/12/90
  4. Allowance02/07/95
  5. Grant07/25/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J.P.I. Transportation Products, Inc

US

Inventors

H. L. (pessoa física)

US

K. B. (pessoa física)

US

R. S. (pessoa física)

US

W. Y. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

869,489 · 06/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/01/1988

RPI 906

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 29/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

07/25/1995

RPI 1286

Deferimento

#9.1

02/07/1995

RPI 1262

Exigência - art. 36 da LPI

#6.1

11/09/1993

RPI 1197

Solicitação de exame técnico

#4.1

06/12/1990

RPI 1022

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