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Official data from INPI

CURSOR TRAVÁVEL PARA FECHOS CORREDIÇOS

ConcedidaInvention Patent

Application data

Number

PI8201416

Type

Invention Patent

Filing

03/12/1982

Publication

02/01/1983

Progress at the INPI

  1. Filing03/12/82
  2. Publication02/01/83
  3. Examination06/28/83
  4. Allowance03/11/86
  5. Grant09/30/86
  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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

JP

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Inventors

K. O. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

56-35304 · 03/16/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Republicação - classificação IPC

#15.11

04/01/1986

RPI 806

Deferimento

#9.1

03/11/1986

RPI 803

6.2

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

Pedido de patente depositado

#2.1

04/27/1982

RPI 601

Carta-patente expirada

#21.1

Patente extinta em 12/03/97

07/01/2008

RPI 1956

20.4

09/05/1995

RPI 1292

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