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Official data from INPI

COMPOSIÇÃO POLIMÉRICA COM CARGAS E PAINEL EXTERNO DE CARROCERIA AUTOMOTIVA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905284

Type

Invention Patent

Filing

10/13/1989

Publication

05/22/1990

Progress at the INPI

  1. Filing10/13/89
  2. Publication05/22/90
  3. Examination08/11/92
  4. Allowance03/19/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

E. M. (pessoa física)

US

Technical data

Priority claims

US

259.214 · 10/17/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/10/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Notificação para pagamento de retribuição

#13.1

12/10/1996

RPI 1358

Deferimento

#9.1

03/19/1996

RPI 1320

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

08/11/1992

RPI 1132

Publicação do pedido de patente

#3.1

05/22/1990

RPI 1019

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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