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Official data from INPI

PROCESSO PARA PRODUZIR AÇO EM UM RECIPIENTE INSUFLADO POR CIMA.

Em ExigênciaInvention Patent

Application data

Number

PI8500906

Type

Invention Patent

Filing

02/28/1919

Publication

12/03/1985

Progress at the INPI

  1. Filing02/28/19
  2. Publication12/03/85
  3. Examination09/08/87
  4. Allowance05/04/93
  5. Grant10/26/93
  6. Terminated12/24/96

The patent was granted on 10/26/1993 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

H. J. (pessoa física)

US

J. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

604.098 · 04/26/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

09/08/1987

RPI 881

Publicação do pedido de patente

#3.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

05/21/1985

RPI 761

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

Concessão da patente

#16.1

10/26/1993

RPI 1195

Notificação para pagamento de retribuição

#13.1

09/08/1993

RPI 1188

Deferimento

#9.1

05/04/1993

RPI 1170

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