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Official data from INPI

FECHADURA DE NÚMEROS COM DISPOSITIVO PARA REAJUSTE DE SEGREDO DE CHAVE.

Em AnáliseInvention Patent

Application data

Number

PI8301966

Type

Invention Patent

Filing

04/18/1983

Publication

05/15/1984

Progress at the INPI

  1. Filing04/18/83
  2. Publication05/15/84
  3. Examination10/09/84
  4. Allowance07/02/85
  5. Grant12/31/85
  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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMIET AG

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Inventors

G. U. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

5 888/82 · 10/07/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/10/1989

RPI 990

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

10/22/1985

RPI 783

Deferimento

#9.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

10/09/1984

RPI 729

Publicação do pedido de patente

#3.1

05/15/1984

RPI 708

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

Carta-patente expirada

#21.1

Patente extinta em 18/04/98

07/01/2008

RPI 1956

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