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Official data from INPI

APARELHO DE BRAÇADEIRA BIPARTIDA PARA PROPORCIONAR UMA CONEXÃO DE ALTA RESISTÊNCIA ENTRE UM PAR DE FLANGES DE TUBOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001973

Type

Invention Patent

Filing

04/27/1990

Publication

07/30/1991

Progress at the INPI

  1. Filing04/27/90
  2. Publication07/30/91
  3. Examination11/03/93
  4. Allowance10/25/94
  5. Grant06/27/95
  6. Expired05/18/10

The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

US

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Inventors

S. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

344.736 · 04/28/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/04/2005

05/18/2010

RPI 2054

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

03/01/1995

RPI 1265

Deferimento

#9.1

10/25/1994

RPI 1247

Solicitação de exame técnico

#4.1

11/03/1993

RPI 1196

Publicação do pedido de patente

#3.1

07/30/1991

RPI 1078

Pedido de patente depositado

#2.1

09/11/1990

RPI 1032

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