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Official data from INPI

ACOPLAMENTO HIDRODINÂMICO

PublicadaInvention Patent

Application data

Number

PI8703361

Type

Invention Patent

Filing

06/04/1987

Publication

03/15/1988

Progress at the INPI

  1. Filing06/04/87
  2. Publication03/15/88
  3. Examination11/20/90
  4. Allowance07/16/91
  5. Grant06/30/92
  6. Terminated10/17/95

The patent was granted on 06/30/1992 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: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Voith Turbo GmbH & Co. Kg.

DE

See this company's full portfolio

Inventors

K. D. (pessoa física)

DE

Technical data

Priority claims

DE

P 36 21 905.3 · 06/30/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/15/1988

RPI 908

Pedido de patente depositado

#2.1

09/01/1987

RPI 880

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

06/30/1992

RPI 1126

Republicação - classificação IPC

#15.11

11/19/1991

RPI 1094

Notificação para pagamento de retribuição

#13.1

11/12/1991

RPI 1093

Deferimento

#9.1

07/16/1991

RPI 1076

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

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