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Official data from INPI

ALARME DE TEMPERATURA DO LAMINADOR DE TIRAS A QUENTE.

ArquivadaInvention Patent

Application data

Number

PI8108172

Type

Invention Patent

Filing

12/16/1981

Publication

09/20/1983

Progress at the INPI

  1. Filing12/16/81
  2. Publication09/20/83
  3. Abandoned03/05/85
  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: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

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Inventors

S. S. (pessoa física)

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

03/17/1987

RPI 856

Arquivamento - Art. 36 §1° da LPI

#11.2

12/16/1986

RPI 843

Exigência - art. 36 da LPI

#6.1

05/20/1986

RPI 813

Solicitação de exame técnico

#4.1

03/05/1985

RPI 750

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

02/09/1982

RPI 590

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B21B 37/10; B21B 33/00.

03/27/2018

RPI 2464

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