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Official data from INPI

PROCESSO PARA FORMAÇÃO DE REVESTIMENTO DA CONVERSÃO DE UM FILME DE ÓXIDO DE COBALTO TENDO PROPRIEDADES DE RESISTÊNCIA À CORROSÃO E DE ADERÊNCIA, E ARTIGO REVESTIDO

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9105184

Type

Invention Patent

Filing

11/28/1991

Publication

07/21/1992
View on INPI

Progress at the INPI

  1. Filing11/28/91
  2. Publication07/21/92
  3. Examination07/19/94
  4. Allowance06/13/00
  5. Grant10/03/00
  6. Expired06/11/13

The letters patent expired on 06/11/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Boeing Company

US

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Inventors

M. S. (pessoa física)

US

Technical data

IPC Classification

C23C 22/68

Priority claims

US

621.132 · 11/30/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/11/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

10/03/2000

RPI 1552

Deferimento

#9.1

06/13/2000

RPI 1536

Exigência - art. 36 da LPI

#6.1

12/14/1999

RPI 1510

Exigência - art. 36 da LPI

#6.1

06/29/1999

RPI 1486

Solicitação de exame técnico

#4.1

07/19/1994

RPI 1233

Publicação do pedido de patente

#3.1

07/21/1992

RPI 1129

Pedido de patente depositado

#2.1

01/14/1992

RPI 1102

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