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Official data from INPI

PROCESSO PARA PREPARAR UM VIDRO ABSORVEDOR DE ULTRA-VIOLETA, COLORIDO DE VERDE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103240

Type

Invention Patent

Filing

07/29/1991

Publication

02/18/1992

Progress at the INPI

  1. Filing07/29/91
  2. Publication02/18/92
  3. Examination05/18/93
  4. Allowance08/31/99
  5. Grant05/30/00
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. 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

J. G. (pessoa física)

US

L. S. (pessoa física)

US

Technical data

Priority claims

US

559.915 · 07/30/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/07/2011

06/04/2013

RPI 2213

Transferência deferida

#25.1

Transferido de: PPG Industries, Inc.

06/28/2005

RPI 1799

Concessão da patente

#16.1

05/30/2000

RPI 1534

Deferimento

#9.1

08/31/1999

RPI 1495

Exigência - art. 36 da LPI

#6.1

05/11/1999

RPI 1479

Conhecimento de parecer técnico

#7.1

01/06/1998

RPI 1411

Solicitação de exame técnico

#4.1

05/18/1993

RPI 1172

Publicação do pedido de patente

#3.1

02/18/1992

RPI 1107

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