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Official data from INPI

APARELHO E MÉTODO PARA RÁPIDO RESFRIAMENTO POR AR DE VERGALHÕES DE AÇO LAMINADOS A QUENTE

Em AnáliseInvention Patent

Application data

Number

PI8505410

Type

Invention Patent

Filing

10/30/1985

Publication

08/05/1986

Progress at the INPI

  1. Filing10/30/85
  2. Publication08/05/86
  3. Examination08/02/88
  4. Allowance12/24/91
  5. Grant10/27/92
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Morgan Construction Company

US

See this company's full portfolio

Inventors

A. J. (pessoa física)

US

C. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

666.917 · 10/31/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/02/1988

RPI 928

Publicação do pedido de patente

#3.1

08/05/1986

RPI 824

Pedido de patente depositado

#2.1

01/14/1986

RPI 795

Carta-patente expirada

#21.1

Patente extinta em 30/10/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

05/19/1992

RPI 1120

Deferimento

#9.1

12/24/1991

RPI 1099

Exigência - art. 36 da LPI

#6.1

04/30/1991

RPI 1065

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