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Official data from INPI

PROCESSO PARA A OBTENÇÃO DE ÓLEO E DE GÁS A PARTIR DE AREIA OLEOSA, GREDA OLEOSA E/OU XISTO OLEOSO

ConcedidaInvention Patent

Application data

Number

PI8400250

Type

Invention Patent

Filing

01/19/1984

Publication

08/28/1984

Progress at the INPI

  1. Filing01/19/84
  2. Publication08/28/84
  3. Examination10/07/86
  4. Allowance01/31/89
  5. Grant09/26/89
  6. Terminated05/30/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Carlos Robert Eckelmann AG.

DE

Carl Robert Eckelmann Ag.

DE

Inventors

D. S. (pessoa física)

DE

D. K. (pessoa física)

DE

H. L. (pessoa física)

DE

J. V. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 01 765.4 · 01/20/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

06/06/1989

RPI 972

Deferimento

#9.1

01/31/1989

RPI 954

Republicação - classificação IPC

#15.11

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

08/16/1988

RPI 930

Solicitação de exame técnico

#4.1

10/07/1986

RPI 833

Publicação do pedido de patente

#3.1

08/28/1984

RPI 723

Pedido de patente depositado

#2.1

03/20/1984

RPI 700

Anuidade - prazo legal encerrado

#18.2

05/30/1995

RPI 1278

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