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Official data from INPI

VISCOSÍMETRO ABSOLUTO.

ArquivadaInvention Patent

Application data

Number

PI8102057

Type

Invention Patent

Filing

04/02/1981

Publication

11/09/1982

Progress at the INPI

  1. Filing04/02/81
  2. Publication11/09/82
  3. Abandoned01/29/85
  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: 04/22/1986. 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

M. Z. (pessoa física)

R. N. (pessoa física)

S. D. (pessoa física)

T. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/22/1986

RPI 809

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

01/29/1985

RPI 745

Publicação do pedido de patente

#3.1

11/09/1982

RPI 629

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