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Official data from INPI

TESTADOR DE MATRIZ DE COMUTAÇÃO DIGITAL.

Em AnáliseInvention Patent

Application data

Number

PI8001943

Type

Invention Patent

Filing

03/31/1980

Publication

-

Progress at the INPI

  1. Filing03/31/80
  2. Publication
  3. Abandoned05/25/82
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 05/24/1983. 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).

10.1

05/24/1983

RPI 657

Conhecimento de parecer técnico

#7.1

01/18/1983

RPI 639

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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