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Official data from INPI

ELEMENTO DE TRANSIÇÃO PARA ADAPTAÇÃO EM EXTREMIDADES ROSCADAS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002135

Type

Invention Patent

Filing

05/08/1990

Publication

11/12/1991

Progress at the INPI

  1. Filing05/08/90
  2. Publication11/12/91
  3. Examination06/02/92
  4. Allowance03/15/94
  5. Grant11/29/94
  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

Tubos e Conexões Tigre Ltda

SC, BR

See this company's full portfolio

Inventors

E. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/05/2005

05/18/2010

RPI 2054

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

06/28/1994

RPI 1230

Deferimento

#9.1

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

06/02/1992

RPI 1122

Publicação do pedido de patente

#3.1

11/12/1991

RPI 1093

Pedido de patente depositado

#2.1

09/18/1990

RPI 1033

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