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Official data from INPI

PROCESSO E DISPOSITIVO PARA DOBRAR AS EXTREMIDADES DOS ENVOLTÓRIOS TUBULARES

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905782

Type

Invention Patent

Filing

11/14/1989

Publication

06/12/1990

Progress at the INPI

  1. Filing11/14/89
  2. Publication06/12/90
  3. Examination06/09/92
  4. Allowance11/23/93
  5. Grant08/30/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. A. (pessoa física)

IT

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Inventors

A. G. (pessoa física)

IT

B. G. (pessoa física)

IT

M. S. (pessoa física)

IT

Technical data

Priority claims

IT

3660 A/88 · 11/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

04/12/1994

RPI 1219

Deferimento

#9.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

06/09/1992

RPI 1123

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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