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Official data from INPI

ARTIGO FOTOCRÔMICO.

Arquivada/ExtintaInvention PatentPCT · US1990001640

Application data

Number

PI9007310

Type

Invention Patent

Filing

03/28/1990

Publication

04/21/1992

PCT

US1990001640

Progress at the INPI

  1. Filing03/28/90
  2. Publication04/21/92
  3. Examination06/29/93
  4. Allowance03/23/99
  5. Grant07/27/99
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. 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

D. M. (pessoa física)

US

J. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

339.850 · 04/18/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/03/2010

01/08/2013

RPI 2192

Transferência deferida

#25.1

Transferido de: PPG Industries, Inc.

07/05/2005

RPI 1800

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

03/23/1999

RPI 1472

Exigência - art. 36 da LPI

#6.1

08/11/1998

RPI 1442

Solicitação de exame técnico

#4.1

06/29/1993

RPI 1178

Notificação de entrada na fase nacional - PCT

#1.3

04/21/1992

RPI 1116

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