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Official data from INPI

SUBSTRATO REVESTIDO, PARA TER BOAS PROPRIEDADES TRIBOLÓGICAS, E, PROCESSO DE REVESTIMENTO DE UM SUBSTRATO ELETRICAMENTE CONDUTOR

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005291

Type

Invention Patent

Filing

10/19/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/19/90
  2. Publication09/17/91
  3. Examination05/18/93
  4. Allowance09/15/98
  5. Grant12/29/98
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Centre Stephanois de Recherches Mecaniques Hydromecanique Et Frottement

FR

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Inventors

J. T. (pessoa física)

FR

P. F. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89 13739 · 10/20/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/10/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

12/29/1998

RPI 1460

Republicação - classificação IPC

#15.11

Alterada a Classificação Int.Cl.5 C23C 14/04.

09/15/1998

RPI 1447

Deferimento

#9.1

09/15/1998

RPI 1447

Exigência - art. 36 da LPI

#6.1

04/14/1998

RPI 1425

Solicitação de exame técnico

#4.1

05/18/1993

RPI 1172

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/16/1991

RPI 1063

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