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Official data from INPI

LIGA MATRIZ BEM COMO PROCESSO PARA ELABORACAO POR FUSAO COM ARCO DE ELETRODO CONSUMIVEL DE LINGOTES DE LIGAS A BASE DE ZIRCONIO,E LINGOTES ASSIM OBTIDOS

Em AnáliseInvention Patent

Application data

Number

PI7800053

Type

Invention Patent

Filing

01/07/1977

Publication

-

Progress at the INPI

  1. Filing01/07/77
  2. Publication
  3. Examination
  4. Allowance05/31/83
  5. Grant11/29/83
  6. Terminated11/16/88

The patent was granted on 11/29/1983 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. A. (pessoa física)

Inventors

A. M. (pessoa física)

C. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

15.0

08/31/1982

RPI 619

Exigência - art. 36 da LPI

#6.1

01/12/1982

RPI 586

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