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Official data from INPI

APERFEICOAMENTOS EM MOTORES DE COMBUSTAO INTERNA A GASOLINA PARA SUA CONVERSAO AO USO DE ALCOOL COMO COMBUSTIVEL EXCLUSIVO

Em AnáliseInvention Patent

Application data

Number

PI7906489

Type

Invention Patent

Filing

10/09/1979

Publication

-

Progress at the INPI

  1. Filing10/09/79
  2. Publication
  3. Examination03/02/82
  4. Allowance10/26/82
  5. Grant06/28/83
  6. Terminated06/24/86

The patent was granted on 06/28/1983 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MOTORIT IND COM SA

Inventors

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

03/15/1983

RPI 647

Republicação - classificação IPC

#15.11

11/23/1982

RPI 631

Deferimento

#9.1

10/26/1982

RPI 627

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

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