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Official data from INPI

UNIDADE DE CILINDRO E PISTAO PARA DOSAGEM DE UM MATERIAL

Em AnáliseInvention Patent

Application data

Number

PI7802887

Type

Invention Patent

Filing

08/11/1977

Publication

-

Progress at the INPI

  1. Filing08/11/77
  2. Publication
  3. Examination
  4. Allowance07/13/82
  5. Grant01/25/83
  6. Terminated06/14/88

The patent was granted on 01/25/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KRAUSS MAFFEI AG

Inventors

T. P. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

Deferimento

#9.1

07/13/1982

RPI 612

Exigência - art. 36 da LPI

#6.1

11/17/1981

RPI 578

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