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Official data from INPI

APERFEIÇOAMENTOS EM FERROLHOS DE JANELAS E VENEZIANAS DE CORRER DO TIPO GATILHO

ConcedidaInvention Patent

Application data

Number

PI8304706

Type

Invention Patent

Filing

08/30/1983

Publication

04/09/1985

Progress at the INPI

  1. Filing08/30/83
  2. Publication04/09/85
  3. Examination08/05/86
  4. Allowance11/01/88
  5. Grant08/29/89
  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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sasazaki Indústria e Comércio Ltda

SP, BR

See this company's full portfolio

Inventors

Y. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

04/09/1985

RPI 755

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

Carta-patente expirada

#21.1

Patente extinta em 30/08/98

07/01/2008

RPI 1956

20.7

10/29/1996

RPI 1352

20.4

10/16/1990

RPI 1037

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