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Official data from INPI

RALO DE CONCRETO PROTENDIDO COM TRANSVERSINAS ARMADAS COM TRELIÇAS DE AÇO SOLDADO

Em AnáliseInvention Patent

Application data

Number

PI8504650

Type

Invention Patent

Filing

09/23/1985

Publication

04/28/1987

Progress at the INPI

  1. Filing09/23/85
  2. Publication04/28/87
  3. Examination07/18/89
  4. Allowance10/23/90
  5. Grant05/28/91
  6. Terminated06/04/96

The patent was granted on 05/28/1991 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. N. (pessoa física)

RJ, BR

Inventors

J. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/18/1989

RPI 978

Publicação do pedido de patente

#3.1

04/28/1987

RPI 862

Pedido de patente depositado

#2.1

12/03/1985

RPI 789

Anuidade - prazo legal encerrado

#18.2

06/04/1996

RPI 1331

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

02/05/1991

RPI 1053

Deferimento

#9.1

10/23/1990

RPI 1038

Conhecimento de parecer técnico

#7.1

05/01/1990

RPI 1016

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