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Official data from INPI

CONJUNTO CATALIZADOR AGLOMERADO DE FIBRAS DE METAIS DO GRUPO DE PLATINA OU SUAS LIGAS

ConcedidaInvention Patent

Application data

Number

PI8006700

Type

Invention Patent

Filing

10/17/1980

Publication

-

Progress at the INPI

  1. Filing10/17/80
  2. Publication
  3. Examination10/20/81
  4. Allowance09/25/84
  5. Grant04/30/85
  6. Expired11/14/95

The letters patent expired on 11/14/1995: 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson Matthey & Co. Limited

GB

See this company's full portfolio

Inventors

K. A. (pessoa física)

S. G. (pessoa física)

Technical data

Priority claims

GB

7936209 · 10/18/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

03/27/1984

RPI 701

6.2

11/30/1982

RPI 632

Solicitação de exame técnico

#4.1

10/20/1981

RPI 574

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

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