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Official data from INPI

PROCESSO PARA USAR UM AQUECEDOR DE ARCO DE PLASMA

Em AnáliseInvention Patent

Application data

Number

PI8203373

Type

Invention Patent

Filing

06/08/1982

Publication

05/31/1983

Progress at the INPI

  1. Filing06/08/82
  2. Publication05/31/83
  3. Examination08/28/84
  4. Refused08/26/86
  5. Grant
  6. In force

The application was refused on 08/26/1986 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SKF Steel Engineering AB.

SE

Inventors

S. S. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

81 05225-0 · 09/03/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

08/26/1986

RPI 827

Petição de recurso

#12.2

10/01/1985

RPI 780

Republicação - classificação IPC

#15.11

07/02/1985

RPI 767

Indeferimento

#9.2

06/25/1985

RPI 766

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Publicação do pedido de patente

#3.1

05/31/1983

RPI 658

Pedido de patente depositado

#2.1

07/27/1982

RPI 614

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