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Official data from INPI

REDUTOR GEMINADO DE REDUÇÃO MÚLTIPLA AUTO-AJUSTÁVEL

ConcedidaInvention Patent
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Application data

Number

PI8202737

Type

Invention Patent

Filing

04/20/1982

Publication

12/13/1983
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Progress at the INPI

  1. Filing04/20/82
  2. Publication12/13/83
  3. Examination08/07/84
  4. Allowance11/03/87
  5. Grant06/28/88
  6. Terminated11/29/94

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mannesmann S.A.

MG, BR

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Inventors

W. S. (pessoa física)

BR

Technical data

IPC Classification

F16H 3/26

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

Exigência - art. 36 da LPI

#6.1

03/04/1987

RPI 854

Exigência - art. 36 da LPI

#6.1

07/15/1986

RPI 821

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Solicitação de exame não realizada

#4.2

05/29/1984

RPI 710

Publicação do pedido de patente

#3.1

12/13/1983

RPI 686

Pedido de patente depositado

#2.1

06/29/1982

RPI 610

Anuidade - prazo legal encerrado

#18.2

11/29/1994

RPI 1252

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