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Official data from INPI

EQUIPAMENTO PARA A FORMACAO DE UMA EXTREMIDADE DE UM TUBO METALICO POR MEIO DE UMA OPERACAO DE TREFILACAO

Em AnáliseInvention Patent
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Application data

Number

PI8101137

Type

Invention Patent

Filing

04/16/1980

Publication

01/12/1982
View on INPI

Progress at the INPI

  1. Filing04/16/80
  2. Publication01/12/82
  3. Examination03/07/84
  4. Allowance11/26/85
  5. Grant06/24/86
  6. Terminated02/04/92

The patent was granted on 06/24/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METALLI IND SPA

Inventors

C. B. (pessoa física)

Technical data

IPC Classification

B21D 41/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

11/01/1988

RPI 941

Pedido de licença compulsória

#20.1

10/25/1988

RPI 940

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

11/26/1985

RPI 788

Exigência - art. 36 da LPI

#6.1

10/02/1984

RPI 728

Solicitação de exame técnico

#4.1

03/07/1984

RPI 698

Publicação do pedido de patente

#3.1

01/12/1982

RPI 586

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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