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Official data from INPI

MOLDE DE PRESSÃO DO TIPO ANELAR; APARELHO DE MOLDAGEM DE LÂMINA DE VIDRO; E MÉTODO DE MOLDAGEM DE MATERIAL DE LÂMINA AMOLECIDA A QUENTE

PublicadaInvention Patent

Application data

Number

PI8900009

Type

Invention Patent

Filing

01/03/1989

Publication

08/15/1989

Progress at the INPI

  1. Filing01/03/89
  2. Publication08/15/89
  3. Examination03/26/91
  4. Allowance09/12/95
  5. Grant04/30/96
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 08/15/1989. 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. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

140..527 · 01/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/15/1989

RPI 982

Pedido de patente depositado

#2.1

02/14/1989

RPI 956

Carta-patente expirada

#21.1

Patente extinta em 03/01/2004

12/15/2009

RPI 2032

Transferência deferida

#25.1

Transferido de: PPG Industries, Inc.

06/28/2005

RPI 1799

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/12/1995

RPI 1293

Exigência - art. 36 da LPI

#6.1

02/14/1995

RPI 1263

Solicitação de exame técnico

#4.1

03/26/1991

RPI 1060

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