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Official data from INPI

DISPOSITIVO DE CONTROLE DE REALIMENTAÇÃO, PROCESSO DE SOLDAGEM A ARCO E DISPOSITIVO DE CONTROLE PARA A FONTE DE ENERGIA

Em AnáliseInvention Patent

Application data

Number

PI8201941

Type

Invention Patent

Filing

04/05/1982

Publication

03/08/1983

Progress at the INPI

  1. Filing04/05/82
  2. Publication03/08/83
  3. Examination02/26/85
  4. Allowance12/08/87
  5. Grant03/20/90
  6. Terminated07/18/95

The patent was granted on 03/20/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

See this company's full portfolio

Inventors

D. J. (pessoa física)

US

R. M. (pessoa física)

US

W. J. (pessoa física)

US

Technical data

Priority claims

US

252,534 · 04/09/1981

US

252,564 · 04/09/1981

US

252,568 · 04/09/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

110

01/10/1989

RPI 951

Deferimento

#9.1

12/08/1987

RPI 894

Exigência - art. 36 da LPI

#6.1

06/23/1987

RPI 870

Pedido de certificado de adição de invenção

#5.1

07/16/1985

RPI 769

Solicitação de exame técnico

#4.1

02/26/1985

RPI 749

Publicação do pedido de patente

#3.1

03/08/1983

RPI 646

Pedido de patente depositado

#2.1

05/25/1982

RPI 605

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

Concessão da patente

#16.1

03/20/1990

RPI 1010

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