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Official data from INPI

CONJUNTO DE ENGRENAGENS CONICAS,E,DIFERENCIAL PROPORCIONADOR DE FORCA DE TORCAO VARIAVEL

ConcedidaInvention Patent

Application data

Number

PI7907828

Type

Invention Patent

Filing

12/15/1978

Publication

-

Progress at the INPI

  1. Filing12/15/78
  2. Publication
  3. Examination
  4. Allowance03/22/83
  5. Grant10/25/83
  6. Terminated09/25/90

The patent was granted on 10/25/1983 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: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. T. (pessoa física)

Inventors

M. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

14.1

10/13/1982

RPI 625

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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