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Official data from INPI

GUINDASTE CIRCULATÓRIO EM UM POÇO DE TURBINA

Em AnáliseInvention Patent
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Application data

Number

PI8504014

Type

Invention Patent

Filing

08/19/1985

Publication

06/10/1986
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Progress at the INPI

  1. Filing08/19/85
  2. Publication06/10/86
  3. Examination09/06/88
  4. Allowance07/18/89
  5. Grant03/20/90
  6. Terminated03/10/92

The patent was granted on 03/20/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. M. Voith GmbH

DE

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Inventors

W. B. (pessoa física)

DE

Technical data

IPC Classification

B66C 11/00

Priority claims

DE

P 34 30 466.5 · 08/18/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/18/1989

RPI 978

Solicitação de exame técnico

#4.1

09/06/1988

RPI 933

Publicação do pedido de patente

#3.1

06/10/1986

RPI 816

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

Concessão da patente

#16.1

03/20/1990

RPI 1010

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