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Official data from INPI

COMPOSIÇÃO À BASE DE POLIOLEFINA RETARDANTES DE CHAMA

Em ExigênciaInvention Patent

Application data

Number

PI8500215

Type

Invention Patent

Filing

01/17/1985

Publication

09/03/1985

Progress at the INPI

  1. Filing01/17/85
  2. Publication09/03/85
  3. Examination09/15/87
  4. Allowance05/22/90
  5. Grant10/30/90
  6. Terminated03/10/92

The patent was granted on 10/30/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. C. (pessoa física)

US

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Inventors

C. I. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

574.835 · 01/30/1984

US

650.482 · 09/14/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/07/1989

RPI 994

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

Solicitação de exame técnico

#4.1

09/15/1987

RPI 882

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

04/16/1985

RPI 756

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

Concessão da patente

#16.1

10/30/1990

RPI 1039

Deferimento

#9.1

05/22/1990

RPI 1019

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