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Official data from INPI

CENTRIFUGA DE TRABALHO CONTINUO

Em AnáliseInvention Patent

Application data

Number

PI8001537

Type

Invention Patent

Filing

03/17/1979

Publication

-

Progress at the INPI

  1. Filing03/17/79
  2. Publication
  3. Examination
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Terminated06/21/88

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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HEIN LEHMANN AG

Inventors

B. S. (pessoa física)

T. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Republicação - classificação IPC

#15.11

08/07/1984

RPI 720

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

6.2

01/11/1983

RPI 638

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