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Official data from INPI

Processo mecânico para fixação de conjuntos hidráulicos em formas para concreto.

ConcedidaInvention Patent
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Application data

Number

PI8400376

Type

Invention Patent

Filing

01/30/1984

Publication

09/03/1985
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Progress at the INPI

  1. Filing01/30/84
  2. Publication09/03/85
  3. Examination01/28/86
  4. Allowance12/29/87
  5. Grant08/30/88
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tubos e Conexões Tigre Ltda.

SC, BR

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Inventors

C. A. (pessoa física)

Technical data

IPC Classification

C09B 1/503

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

14.4

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

01/28/1986

RPI 797

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/22/1985

RPI 744

Carta-patente expirada

#21.1

Patente extinta em 30/01/99

07/08/2008

RPI 1957

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