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Official data from INPI

APERFEICOAMENTO EM UMA ARMA DE FOGO DE ACAO DE FERROLHO

ConcedidaInvention Patent

Application data

Number

PI8304627

Type

Invention Patent

Filing

05/02/1983

Publication

02/20/1985

Progress at the INPI

  1. Filing05/02/83
  2. Publication02/20/85
  3. Examination04/07/87
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STURM RUGER & CO [US]

Inventors

M. L. (pessoa física)

R. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

04/07/1987

RPI 859

Publicação do pedido de patente

#3.1

02/20/1985

RPI 748

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

Carta-patente expirada

#21.1

Patente extinta em 26/08/98

08/19/2008

RPI 1963

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