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Official data from INPI

DISPOSITIVO PARA FIXAR A POSIÇÃO RELATIVA DE DOIS ELEMENTOS DE CONSTRUÇÃO.

ConcedidaInvention Patent
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Application data

Number

PI8103050

Type

Invention Patent

Filing

05/15/1981

Publication

02/09/1982
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Progress at the INPI

  1. Filing05/15/81
  2. Publication02/09/82
  3. Examination12/27/83
  4. Allowance03/11/86
  5. Grant09/30/86
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Z. A. (pessoa física)

DE

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Inventors

M. J. (pessoa física)

Technical data

IPC Classification

E04G 21/18

Priority claims

DE

P 30 18 651.7 · 05/16/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

6.2

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação do pedido de patente

#3.1

02/09/1982

RPI 590

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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