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Official data from INPI

PROCESSO PARA AUMENTAR A TENSAO SUPERFICIAL DE ESPUMA PLASTICA CONSERVANDO MESMO PESO ESPECIFICO

IndeferidaInvention Patent

Application data

Number

PI8304670

Type

Invention Patent

Filing

08/29/1983

Publication

04/02/1985

Progress at the INPI

Under appeal
  1. Filing08/29/83
  2. Publication04/02/85
  3. Examination04/29/86
  4. Refused09/22/87
  5. Grant
  6. In force

The application was refused by the INPI on 09/22/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. M. (pessoa física)

O. L. (pessoa física)

Inventors

L. [. (pessoa física)

L. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/22/1987

RPI 883

Solicitação de exame técnico

#4.1

04/29/1986

RPI 810

Publicação do pedido de patente

#3.1

04/02/1985

RPI 754

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

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