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Official data from INPI

PROCESSO DE DETECTAR A PRESENÇA EM UM COMBUSTÍVEL DE PETRÓLEO DE PELO MENOS 0,5 PARTE POR MILHÃO DE UM MARCADOR

ConcedidaInvention Patent

Application data

Number

PI8002890

Type

Invention Patent

Filing

05/09/1980

Publication

-

Progress at the INPI

  1. Filing05/09/80
  2. Publication
  3. Examination
  4. Allowance03/07/89
  5. Grant08/29/89
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Morton Thiokol, Inc.

US

See this company's full portfolio

Inventors

R. O. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

037,875 · 05/10/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

03/07/1989

RPI 959

Republicação - classificação IPC

#15.11

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

07/26/1988

RPI 927

Exigência - art. 36 da LPI

#6.1

03/01/1988

RPI 906

14.4

03/05/1985

RPI 750

Pedido de certificado de adição de invenção

#5.1

10/13/1982

RPI 625

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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