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Official data from INPI

PROCESSO E APARELHO PARA PRODUÇÃO CONTÍNUA DE FILAMENTOS (WHISKER) DE CARBURETO DE SILÍCIO.

ArquivadaInvention Patent

Application data

Number

PI8305950

Type

Invention Patent

Filing

10/27/1983

Publication

06/04/1985

Progress at the INPI

  1. Filing10/27/83
  2. Publication06/04/85
  3. Abandoned06/16/87
  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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atlantic Richfield Company

US

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Inventors

B. L. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

02/14/1989

RPI 956

Exigência - art. 36 da LPI

#6.1

07/05/1988

RPI 924

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

06/04/1985

RPI 763

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Republicação - classificação IPC

#15.11

A classificação anterior era: C01B 31/36

07/25/2017

RPI 2429

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