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Official data from INPI

PROCESSO DE CRAQUEAMENTO CATALITICO

Concessão AnuladaInvention Patent

Application data

Number

PI7701031

Type

Invention Patent

Filing

02/19/1976

Publication

-

Progress at the INPI

  1. Filing02/19/76
  2. Publication
  3. Examination
  4. Allowance08/20/85
  5. Grant04/29/86
  6. Expired07/27/93

The letters patent expired on 07/27/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MOBIL OIL CORP

See this company's full portfolio

Inventors

D. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

07/29/1986

RPI 823

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/03/1985

RPI 789

100

08/20/1985

RPI 774

120

09/13/1983

RPI 673

Petição de recurso

#12.2

03/29/1983

RPI 649

Indeferimento

#9.2

11/30/1982

RPI 632

Conhecimento de parecer técnico

#7.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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