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Official data from INPI

APARELHO PARA O TRANSPORTE E TRATAMENTO DE BARRA OU VERGALHÃO DE AÇO LAMINADO A QUENTE

ConcedidaInvention Patent

Application data

Number

PI8306296

Type

Invention Patent

Filing

11/17/1983

Publication

07/03/1984

Progress at the INPI

  1. Filing11/17/83
  2. Publication07/03/84
  3. Examination09/23/86
  4. Allowance04/25/89
  5. Grant10/24/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/24/1989. 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

E. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

443,618 · 11/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

10/25/1988

RPI 940

6.2

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

09/23/1986

RPI 831

Publicação do pedido de patente

#3.1

07/03/1984

RPI 715

Pedido de patente depositado

#2.1

01/24/1984

RPI 692

Carta-patente expirada

#21.1

Patente extinta em 17/11/98

07/01/2008

RPI 1956

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