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Official data from INPI

APERFEIÇOAMENTO EM CONJUNTO DE FERRAMENTA PARA EXTRAIR UM PRENDEDOR ROSQUEADO QUEBRADO

PublicadaInvention Patent

Application data

Number

PI8804342

Type

Invention Patent

Filing

08/25/1988

Publication

05/23/1989

Progress at the INPI

  1. Filing08/25/88
  2. Publication05/23/89
  3. Examination01/21/92
  4. Allowance04/06/93
  5. Grant10/26/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

Inventors

E. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

104.656 · 10/05/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/23/1989

RPI 970

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Carta-patente expirada

#21.1

Patente extinta em 25/08/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/26/1993

RPI 1195

Notificação para pagamento de retribuição

#13.1

07/27/1993

RPI 1182

Deferimento

#9.1

04/06/1993

RPI 1166

Solicitação de exame técnico

#4.1

01/21/1992

RPI 1103

14.1

10/22/1991

RPI 1090

14.3

06/18/1991

RPI 1072

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