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Official data from INPI

PROCESSO PARA OBTENÇÃO DE ELEMENTOS RETENTORES DE FECHOS CORREDIÇOS.

Concessão AnuladaInvention Patent

Application data

Number

PI7907979

Type

Invention Patent

Filing

12/05/1979

Publication

-

Progress at the INPI

  1. Filing12/05/79
  2. Publication
  3. Examination10/13/81
  4. Allowance08/09/83
  5. Grant02/28/84
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 05/15/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

JP

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Inventors

K. K. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

150701 · 12/05/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

05/15/1984

RPI 708

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/29/1983

RPI 684

Deferimento

#9.1

08/09/1983

RPI 668

Solicitação de exame técnico

#4.1

10/13/1981

RPI 573

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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