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Official data from INPI

PREPARAÇÃO DE NITRETO DE SILÍCIO PRENSADO A QUENTE USANDO-SE CORPO DE BAIXA DENSIDADE AGLUTINADO POR REAÇÃO.

ArquivadaInvention Patent

Application data

Number

PI8307737

Type

Invention Patent

Filing

07/19/1983

Publication

06/04/1985

Progress at the INPI

  1. Filing07/19/83
  2. Publication06/04/85
  3. Abandoned10/29/85
  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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ford Motor Company

US

See this company's full portfolio

Inventors

A. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

83/01111 · 07/19/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

10/18/1988

RPI 939

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Notificação de entrada na fase nacional - PCT

#1.3

06/04/1985

RPI 763

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B32B 18/00; B32B 31/20; C04B 35/58.

03/27/2018

RPI 2464

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