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Official data from INPI

APARELHO PARA TRANSMITIR MOVIMENTO GIRATÓRIO

ConcedidaInvention Patent

Application data

Number

PI8404171

Type

Invention Patent

Filing

08/21/1984

Publication

07/16/1985

Progress at the INPI

  1. Filing08/21/84
  2. Publication07/16/85
  3. Examination03/18/86
  4. Allowance08/23/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SFT Ag.

CH

Inventors

W. R. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

CH-3442/84 · 07/16/1984

CH

CH-4562/83 · 08/22/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

12/13/1988

RPI 947

Deferimento

#9.1

08/23/1988

RPI 931

Exigência - art. 36 da LPI

#6.1

02/02/1988

RPI 902

14.1

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

03/18/1986

RPI 804

Publicação do pedido de patente

#3.1

07/16/1985

RPI 769

Pedido de patente depositado

#2.1

10/23/1984

RPI 731

Carta-patente expirada

#21.1

Patente extinta em 21/08/99

07/08/2008

RPI 1957

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