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Official data from INPI

COMPARADOR DE FASE SIMPLIFICADO PARA ENLACE TRANCADO EM FASE.

Em AnáliseInvention Patent

Application data

Number

PI8001944

Type

Invention Patent

Filing

03/31/1980

Publication

-

Progress at the INPI

  1. Filing03/31/80
  2. Publication
  3. Examination05/25/82
  4. Refused03/26/85
  5. Grant
  6. In force

The application was refused on 03/26/1985 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telecomunicações Brasileiras S/A-Telebrás

SP, BR

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

03/26/1985

RPI 753

Petição de recurso

#12.2

10/23/1984

RPI 731

Indeferimento

#9.2

07/03/1984

RPI 715

Conhecimento de parecer técnico

#7.1

11/08/1983

RPI 681

Solicitação de exame técnico

#4.1

05/25/1982

RPI 605

Solicitação de exame não realizada

#4.2

12/29/1981

RPI 584

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