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Official data from INPI

COMPOSIÇÕES DE REVESTIMENTO

Arquivada/ExtintaInvention PatentPCT · GB1989000817

Application data

Number

PI8907523

Type

Invention Patent

Filing

07/14/1989

Publication

06/11/1991

PCT

GB1989000817

Progress at the INPI

  1. Filing07/14/89
  2. Publication06/11/91
  3. Examination05/05/92
  4. Allowance10/27/98
  5. Grant02/23/99
  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

Courtaulds Coatings (Holdings) Limited

GB

See this company's full portfolio

Inventors

A. M. (pessoa física)

GB

A. F. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8817085 · 07/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/07/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

02/23/1999

RPI 1468

Deferimento

#9.1

10/27/1998

RPI 1451

Exigência - art. 36 da LPI

#6.1

06/09/1998

RPI 1433

Solicitação de exame técnico

#4.1

05/05/1992

RPI 1118

Notificação de entrada na fase nacional - PCT

#1.3

06/11/1991

RPI 1071

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