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Official data from INPI

COMPOSIÇÃO AQUOSA PARA REVESTIMENTO DE PROTEÇÃO EM UM SUBSTRATO METÁLICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905127

Type

Invention Patent

Filing

10/10/1989

Publication

05/15/1990

Progress at the INPI

  1. Filing10/10/89
  2. Publication05/15/90
  3. Examination07/21/92
  4. Allowance02/12/97
  5. Grant10/28/97
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PPG Industries, Inc

US

PPG Industries OHIO, INC.

US

See this company's full portfolio

Inventors

E. B. (pessoa física)

US

R. M. (pessoa física)

US

Technical data

Priority claims

US

255.286 · 10/11/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/10/2009

12/26/2012

RPI 2190

Transferência deferida

#25.1

Transferido de: PPG Industries, Inc.

06/21/2005

RPI 1798

Concessão da patente

#16.1

10/28/1997

RPI 1404

Notificação para pagamento de retribuição

#13.1

05/13/1997

RPI 1380

Deferimento

#9.1

02/12/1997

RPI 1367

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

Solicitação de exame técnico

#4.1

07/21/1992

RPI 1129

Publicação do pedido de patente

#3.1

05/15/1990

RPI 1018

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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