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Official data from INPI

ESTRUTURA E Y ESTAIADA EM CONCRETO ARMADO OU PROTENDIDO PARA LINHAS DE TRANSMISSAO

ConcedidaInvention Patent

Application data

Number

PI8301399

Type

Invention Patent

Filing

02/28/1983

Publication

09/06/1983

Progress at the INPI

  1. Filing02/28/83
  2. Publication09/06/83
  3. Examination09/17/85
  4. Allowance06/09/87
  5. Grant03/29/88
  6. Terminated04/25/95

The patent was granted on 03/29/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

POSTES CAVAN S A [BR]

Inventors

L. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

9.1.3

08/11/1987

RPI 877

Deferimento

#9.1

06/09/1987

RPI 868

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Publicação antecipada

#3.2

09/06/1983

RPI 672

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

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