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Official data from INPI

SELO DE VÁCUO FLUIDIZADO E PROCESSO E APARELHO PARA FORMAR UMA PLACA ESPUMADA

PublicadaInvention Patent

Application data

Number

PI8704811

Type

Invention Patent

Filing

09/18/1987

Publication

05/17/1988

Progress at the INPI

  1. Filing09/18/87
  2. Publication05/17/88
  3. Abandoned12/18/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/17/1988. 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

D. M. (pessoa física)

US

G. G. (pessoa física)

US

J. K. (pessoa física)

FR

Technical data

Priority claims

US

909444 · 09/19/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B29C 67/22.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

12/20/1994

RPI 1255

Solicitação de exame técnico

#4.1

12/18/1990

RPI 1046

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