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Official data from INPI

APERFEIÇOAMENTO EM ARMA PORTÁTIL TENDO UMA CORONHA INCLUINDO UMA ARMAÇÃO DE EMPUNHADURA

PublicadaInvention Patent

Application data

Number

PI8706495

Type

Invention Patent

Filing

12/01/1987

Publication

07/12/1988

Progress at the INPI

  1. Filing12/01/87
  2. Publication07/12/88
  3. Examination10/09/90
  4. Allowance04/14/92
  5. Grant11/24/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sturm, Ruger & Company, Inc

US

See this company's full portfolio

Inventors

W. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

937.464 · 12/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/12/1988

RPI 925

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Carta-patente expirada

#21.1

Patente extinta em 01/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

09/15/1992

RPI 1137

Deferimento

#9.1

04/14/1992

RPI 1115

Exigência - art. 36 da LPI

#6.1

09/10/1991

RPI 1084

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

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