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Official data from INPI

PROCESSO PARA SEPARAR UMA SUSPENSAO DE CATALISADOR E MATERIAL GASEIFORME E APARELHO PARA SEPARAR SUSPENSOES DE MATERIAL GASEIFORME E PARTICULAS SOLIDAS FLUIDIFICAVEIS DE CATALISADOR

ConcedidaInvention Patent

Application data

Number

PI7900600

Type

Invention Patent

Filing

02/01/1978

Publication

-

Progress at the INPI

  1. Filing02/01/78
  2. Publication
  3. Examination
  4. Allowance11/30/82
  5. Grant06/28/83
  6. Terminated01/28/92

The patent was granted on 06/28/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MOBIL OIL CORP

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Inventors

H. S. (pessoa física)

S. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/10/1983

RPI 655

Deferimento

#9.1

11/30/1982

RPI 632

Republicação - classificação IPC

#15.11

11/23/1982

RPI 631

6.2

02/16/1982

RPI 591

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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