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Official data from INPI

ESTRUTURA DE PAREDE DE GABINETE ISOLANTE E PROCESSO PARA PREPARAR UMA ESTRUTURA DE PAREDE DE GABINETE ISOLANTE

Arquivada/ExtintaInvention PatentPCT · US1991001507

Application data

Number

PI9105680

Type

Invention Patent

Filing

03/05/1991

Publication

05/19/1992

PCT

US1991001507

Progress at the INPI

  1. Filing03/05/91
  2. Publication05/19/92
  3. Examination12/21/93
  4. Allowance05/02/00
  5. Grant09/05/00
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. 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

H. G. (pessoa física)

NL

J. B. (pessoa física)

NL

K. D. (pessoa física)

NL

S. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

504,369 · 04/04/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/03/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

09/05/2000

RPI 1548

Deferimento

#9.1

05/02/2000

RPI 1530

Conhecimento de parecer técnico

#7.1

07/06/1999

RPI 1487

Solicitação de exame técnico

#4.1

12/21/1993

RPI 1203

Notificação de entrada na fase nacional - PCT

#1.3

05/19/1992

RPI 1120

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