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Official data from INPI

PROCESSO PARA SEPARACAO DE PO DE GASES DE DESTILACAO LENTA

Em AnáliseInvention Patent

Application data

Number

PI8103973

Type

Invention Patent

Filing

06/25/1980

Publication

03/09/1982

Progress at the INPI

  1. Filing06/25/80
  2. Publication03/09/82
  3. Examination03/27/84
  4. Allowance02/04/86
  5. Grant09/30/86
  6. Terminated05/24/88

The patent was granted on 09/30/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VEBA OEL ENTWICKLUNGS GMBH

Inventors

F. H. (pessoa física)

S. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

03/09/1982

RPI 594

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