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Official data from INPI

APERFEICOAMENTO EM PROCESSO E APARELHO PARA TRANSFERENCIA DE MATERIAL A GRANEL PARA E EM AMBOS OS SENTIDOS, USANDO CORREIA SEM FIM, TUBULAR, FLEXIVEL

Em AnáliseInvention Patent

Application data

Number

PI8207351

Type

Invention Patent

Filing

12/17/1981

Publication

10/18/1983

Progress at the INPI

  1. Filing12/17/81
  2. Publication10/18/83
  3. Examination01/10/84
  4. Allowance04/09/85
  5. Grant10/01/85
  6. Terminated06/26/90

The patent was granted on 10/01/1985 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: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HASHIMOTO KUNIO [JP]

OKAZAKI HARUO [JP]

Inventors

H. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/02/1988

RPI 928

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

14.1

07/16/1985

RPI 769

Deferimento

#9.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

10/18/1983

RPI 678

Pedido de patente depositado

#2.1

02/08/1983

RPI 642

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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