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Official data from INPI

BRIQUETAGEM DE CIANETO DE SODIO

Em AnáliseInvention Patent

Application data

Number

PI8504222

Type

Invention Patent

Filing

04/04/1985

Publication

12/09/1986

Progress at the INPI

  1. Filing04/04/85
  2. Publication12/09/86
  3. Abandoned01/10/89
  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.

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Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

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Inventors

H. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

Publicação do pedido de patente

#3.1

12/09/1986

RPI 842

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Arquivamento - Art. 36 §1° da LPI

#11.2

07/23/1991

RPI 1077

Exigência - art. 36 da LPI

#6.1

01/08/1991

RPI 1049

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