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Official data from INPI

APERFEICOAMENTO EM CONTRA-SAPATA PARA SAPATA DE FREIO

ConcedidaInvention Patent
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Application data

Number

PI8405335

Type

Invention Patent

Filing

10/17/1984

Publication

02/12/1985
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Progress at the INPI

  1. Filing10/17/84
  2. Publication02/12/85
  3. Examination06/18/85
  4. Allowance11/10/87
  5. Grant06/28/88
  6. Terminated03/03/92

The patent was granted on 06/28/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KUBOTA FREIOS E EQUIPAMENTOS F [BR]

Inventors

K. Y. (pessoa física)

Technical data

IPC Classification

F16D 65/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/10/1987

RPI 890

Solicitação de exame técnico

#4.1

06/18/1985

RPI 765

Publicação antecipada

#3.2

02/12/1985

RPI 747

Pedido de patente depositado

#2.1

01/08/1985

RPI 742

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

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