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Official data from INPI

PROCESSO E APARELHO PARA RESFRIAMENTO DE TIRA DE AÇO

Em AnáliseInvention Patent

Application data

Number

PI8600720

Type

Invention Patent

Filing

02/20/1986

Publication

11/04/1986

Progress at the INPI

  1. Filing02/20/86
  2. Publication11/04/86
  3. Examination02/24/87
  4. Allowance11/23/93
  5. Grant11/29/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

JP

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Inventors

K. I. (pessoa física)

JP

M. M. (pessoa física)

JP

N. N. (pessoa física)

JP

T. N. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

31421/85 · 02/21/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/24/1987

RPI 853

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

08/05/1986

RPI 824

Carta-patente expirada

#21.1

Patente extinta em 20/02/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/29/1994

RPI 1252

9.1.3

04/05/1994

RPI 1218

Deferimento

#9.1

11/23/1993

RPI 1199

Exigência - art. 36 da LPI

#6.1

11/17/1992

RPI 1146

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