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Official data from INPI

PROCESSO DE PREPARAÇÃO DE UMA CAMADA FINA POLICRISTALINA DE UM METAL OBTIDA POR CONDENSAÇÃO DO METAL SOBRE UM SUBSTRATO

PublicadaInvention Patent

Application data

Number

PI8606205

Type

Invention Patent

Filing

12/15/1986

Publication

09/29/1987

Progress at the INPI

  1. Filing12/15/86
  2. Publication09/29/87
  3. Examination02/13/90
  4. Allowance05/07/91
  5. Grant11/26/91
  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: 09/29/1987. 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

A. G. (pessoa física)

FR

J. T. (pessoa física)

FR

Y. T. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

85 18579 · 12/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/29/1987

RPI 884

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Carta-patente expirada

#21.1

Patente extinta em 15/12/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/26/1991

RPI 1095

Republicação - classificação IPC

#15.11

11/19/1991

RPI 1094

Deferimento

#9.1

05/07/1991

RPI 1066

Exigência - art. 36 da LPI

#6.1

10/30/1990

RPI 1039

Solicitação de exame técnico

#4.1

02/13/1990

RPI 1006

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