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Official data from INPI

APERFEICOAMENTO EM APARELHO DE DIRECAO DE RAZAO VARIAVEL

Em AnáliseInvention Patent

Application data

Number

PI7708731

Type

Invention Patent

Filing

12/29/1977

Publication

-

Progress at the INPI

  1. Filing12/29/77
  2. Publication
  3. Examination
  4. Allowance09/28/82
  5. Grant04/26/83
  6. Terminated11/16/88

The patent was granted on 04/26/1983 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CAM GEARS LTD

Inventors

A. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Cessão de direito de exploração

#22.1

05/27/1986

RPI 814

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

02/01/1983

RPI 641

Deferimento

#9.1

09/28/1982

RPI 623

Exigência - art. 36 da LPI

#6.1

03/09/1982

RPI 594

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