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Official data from INPI

FERRAMENTAS ESPECIAIS PARA FIXAR E RETIRAR GRAMPOS ELÁSTICOS

DeferidaInvention Patent

Application data

Number

PI8205609

Type

Invention Patent

Filing

09/20/1982

Publication

05/02/1984

Progress at the INPI

  1. Filing09/20/82
  2. Publication05/02/84
  3. Examination07/31/84
  4. Allowance10/17/89
  5. Grant05/29/90
  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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ewem Ltd

NL

Industrial Arte Técnica S/A

RS, BR

See this company's full portfolio

Inventors

E. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/17/1989

RPI 991

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

07/31/1984

RPI 719

Publicação do pedido de patente

#3.1

05/02/1984

RPI 706

Pedido de patente depositado

#2.1

11/16/1982

RPI 630

Carta-patente expirada

#21.1

Patente extinta em 20/09/97

07/01/2008

RPI 1956

Transferência deferida

#25.1

08/26/1997

RPI 1395

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

02/13/1990

RPI 1006

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