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Official data from INPI

DISPOSITIVO DE EMENDA CURVA ENTRE DOIS SEGMENTOS RETILÍNEOS DE UM CABO EM TENSÃO

ConcedidaInvention Patent

Application data

Number

PI8204894

Type

Invention Patent

Filing

08/20/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/20/82
  2. Publication08/02/83
  3. Examination07/16/85
  4. Allowance09/01/87
  5. Grant05/31/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Freyssinet International (STUP)

FR

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Inventors

A. D. (pessoa física)

FR

C. F. (pessoa física)

FR

P. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 16079 · 08/21/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

12/29/1987

RPI 897

Deferimento

#9.1

09/01/1987

RPI 880

Conhecimento de parecer técnico

#7.1

09/23/1986

RPI 831

Solicitação de exame técnico

#4.1

07/16/1985

RPI 769

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Carta-patente expirada

#21.1

Patente extinta em 20/08/97

07/01/2008

RPI 1956

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