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Official data from INPI

PRENDEDOR EM FORMA DE ESTRELA

Em AnáliseInvention Patent

Application data

Number

PI8704371

Type

Invention Patent

Filing

08/25/1987

Publication

03/07/1989

Progress at the INPI

  1. Filing08/25/87
  2. Publication03/07/89
  3. Examination10/24/89
  4. Allowance07/09/91
  5. Grant05/26/92
  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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Star Fasteners International, INC

US

Inventors

A. Y. (pessoa física)

US

F. P. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

03/07/1989

RPI 959

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 25/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

11/05/1991

RPI 1092

Deferimento

#9.1

07/09/1991

RPI 1075

Exigência - art. 36 da LPI

#6.1

11/20/1990

RPI 1042

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