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Official data from INPI

MOTOR DE COMBUSTÃO INTERNA E VÁLVULA DE PULVERIZAÇÃO DE CARGA DE COMBUSTÍVEL

ConcedidaInvention Patent

Application data

Number

PI8000620

Type

Invention Patent

Filing

01/31/1980

Publication

-

Progress at the INPI

  1. Filing01/31/80
  2. Publication
  3. Examination08/30/83
  4. Allowance09/04/84
  5. Grant03/26/85
  6. Terminated07/26/94

The patent was granted on 03/26/1985 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. H. (pessoa física)

US

S. W. (pessoa física)

US

Inventors

H. R. (pessoa física)

W. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Republicação - classificação IPC

#15.11

12/04/1984

RPI 737

Deferimento

#9.1

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

03/07/1984

RPI 698

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Anuidade - prazo legal encerrado

#18.2

07/26/1994

RPI 1234

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