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Official data from INPI

APARELHO E BANDEJA PARA TRATAR MISTURAS DE LÍQUIDO E GÁS

ConcedidaInvention Patent

Application data

Number

PI8105931

Type

Invention Patent

Filing

09/16/1981

Publication

06/08/1982

Progress at the INPI

  1. Filing09/16/81
  2. Publication06/08/82
  3. Examination07/10/84
  4. Allowance02/04/86
  5. Grant08/26/86
  6. In force09/16/01

The patent was granted on 08/26/1986 and is in force until 09/16/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:09/16/2001

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Latest action published by the INPI: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

P. A. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8030134 · 09/18/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Exigência - art. 36 da LPI

#6.1

06/11/1985

RPI 764

Exigência - art. 36 da LPI

#6.1

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

06/08/1982

RPI 607

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

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