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Official data from INPI

REGULADOR DE ROTAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI7906026

Type

Invention Patent

Filing

09/20/1979

Publication

-

Progress at the INPI

  1. Filing09/20/79
  2. Publication
  3. Examination
  4. Allowance09/21/82
  5. Grant05/31/83
  6. Terminated10/03/89

The patent was granted on 05/31/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)

MG, BR

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Inventors

P. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/21/1982

RPI 622

Exigência - art. 36 da LPI

#6.1

03/16/1982

RPI 595

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: G05D 13/00; F16H 5/20.

03/27/2018

RPI 2464

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