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Official data from INPI

APERFEICOAMENTO EM VARIADOR DE VELOCIDADE PARA MAQUINAS

ConcedidaInvention Patent

Application data

Number

PI8303977

Type

Invention Patent

Filing

07/22/1983

Publication

03/05/1985

Progress at the INPI

  1. Filing07/22/83
  2. Publication03/05/85
  3. Examination06/11/85
  4. Allowance04/22/86
  5. Grant12/30/86
  6. Terminated05/02/95

The patent was granted on 12/30/1986 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SHIMPO DO BRASIL IND E COMERCI [BR]

Inventors

S. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

08/26/1986

RPI 827

Deferimento

#9.1

04/22/1986

RPI 809

Solicitação de exame técnico

#4.1

06/11/1985

RPI 764

Publicação do pedido de patente

#3.1

03/05/1985

RPI 750

Pedido de patente depositado

#2.1

10/04/1983

RPI 676

Anuidade - prazo legal encerrado

#18.2

05/02/1995

RPI 1274

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