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Official data from INPI

MOINHO DE ROLOS VERTICAL

ConcedidaInvention Patent

Application data

Number

PI8108751

Type

Invention Patent

Filing

08/21/1980

Publication

06/22/1982

Progress at the INPI

  1. Filing08/21/80
  2. Publication06/22/82
  3. Examination11/16/82
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ISHIKAWAJIMA HARIMA HEAVY IND [JP]

SUMITOMO CEMENT CO [JP]

Inventors

A. S. (pessoa física)

H. S. (pessoa física)

K. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Conhecimento de parecer técnico

#7.1

10/29/1985

RPI 784

6.2

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

11/16/1982

RPI 630

Notificação de entrada na fase nacional - PCT

#1.3

06/22/1982

RPI 609

Carta-patente expirada

#21.1

Patente extinta em 20/08/96

08/19/2008

RPI 1963

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