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Official data from INPI

MÉTODO DE FABRICAÇÃO DE FECHOS CORREDIÇOS SEPARÁVEIS.

Concessão AnuladaInvention Patent

Application data

Number

PI7904823

Type

Invention Patent

Filing

07/25/1979

Publication

-

Progress at the INPI

  1. Filing07/25/79
  2. Publication
  3. Examination
  4. Allowance04/12/83
  5. Grant11/29/83
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 02/14/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

JP

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Inventors

A. S. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

53 9123 · 07/26/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

02/14/1984

RPI 695

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

08/09/1983

RPI 668

100

04/12/1983

RPI 651

Petição de recurso

#12.2

10/19/1982

RPI 626

Indeferimento

#9.2

06/15/1982

RPI 608

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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