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Official data from INPI

BARRA PARA REFORÇO DE CONCRETO LAMINADA A QUENTE, E PROCESSO PARA A PRODUÇÃO DA MESMA

PublicadaInvention Patent

Application data

Number

PI8804697

Type

Invention Patent

Filing

09/12/1988

Publication

04/18/1989

Progress at the INPI

  1. Filing09/12/88
  2. Publication04/18/89
  3. Examination05/01/90
  4. Allowance04/13/93
  5. Grant09/28/93
  6. Terminated06/25/96

The patent was granted on 09/28/1993 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: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arbed S.A.

LU

Dyckerhoff & Widmann Ag

DE

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Inventors

D. J. (pessoa física)

DE

D. R. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3730490.9 · 09/11/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/18/1989

RPI 965

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Anuidade - prazo legal encerrado

#18.2

06/25/1996

RPI 1334

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

08/03/1993

RPI 1183

Deferimento

#9.1

04/13/1993

RPI 1167

Solicitação de exame técnico

#4.1

05/01/1990

RPI 1016

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