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Official data from INPI

DISPOSITIVO DE ANCORAGEM PARA O ELEMENTO DE TRAÇÃO DE UM TIRANTE, ESPECIALMENTE DE UM TIRANTE DE ROCHA.

DeferidaInvention Patent

Application data

Number

PI8600356

Type

Invention Patent

Filing

01/29/1986

Publication

10/14/1986

Progress at the INPI

  1. Filing01/29/86
  2. Publication10/14/86
  3. Examination05/12/87
  4. Allowance09/19/89
  5. Grant05/29/90
  6. Terminated03/10/92

The patent was granted on 05/29/1990 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dyckerhoff & Widmann Aktiengesellschaft

DE

Inventors

D. H. (pessoa física)

DE

L. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 03 012.7 · 01/30/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/19/1989

RPI 987

Solicitação de exame técnico

#4.1

05/12/1987

RPI 864

Publicação do pedido de patente

#3.1

10/14/1986

RPI 834

Pedido de patente depositado

#2.1

07/22/1986

RPI 822

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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