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Official data from INPI

PROCESSO PARA PRODUCAO DE UMA TIRA DE METAL BASE FERROSO REVESTIDA COM UM METAL DE REVESTIMENTO E APARELHO DE REVESTIMENTO

Em AnáliseInvention Patent

Application data

Number

PI7701611

Type

Invention Patent

Filing

03/18/1976

Publication

-

Progress at the INPI

  1. Filing03/18/76
  2. Publication
  3. Examination
  4. Allowance04/27/82
  5. Grant11/30/82
  6. Terminated01/21/92

The patent was granted on 11/30/1982 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: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ARMCO STEEL CORP

Inventors

C. T. (pessoa física)

G. H. (pessoa física)

L. W. (pessoa física)

P. M. (pessoa física)

S. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

09/06/1988

RPI 933

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

08/31/1982

RPI 619

Deferimento

#9.1

04/27/1982

RPI 601

Exigência - art. 36 da LPI

#6.1

11/17/1981

RPI 578

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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