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Official data from INPI

PISTAO ALTERNATIVO COM CIRCUITO DE CABECOTE AUTO-ADAPTAVEL PARA APERFEICOAMENTO FUNDAMENTAL DE MOTOR TERMICO E OUTRAS MAQUINAS DE PISTAO ALTERNATIVO

Em AnáliseInvention Patent

Application data

Number

PI7801915

Type

Invention Patent

Filing

03/28/1977

Publication

-

Progress at the INPI

  1. Filing03/28/77
  2. Publication
  3. Examination
  4. Allowance04/05/83
  5. Grant11/29/83
  6. Terminated05/17/88

The patent was granted on 11/29/1983 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. N. (pessoa física)

Inventors

P. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/05/1983

RPI 650

Exigência - art. 36 da LPI

#6.1

03/09/1982

RPI 594

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