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Official data from INPI

PROCESSO PARA A FABRICACAO DE FLUORETO DE ALUMINIO ISENTO DE PO

ConcedidaInvention Patent

Application data

Number

PI8107187

Type

Invention Patent

Filing

11/06/1980

Publication

07/20/1982

Progress at the INPI

  1. Filing11/06/80
  2. Publication07/20/82
  3. Examination07/24/84
  4. Allowance08/20/85
  5. Grant04/29/86
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALUSUISSE [CH]

Inventors

S. P. (pessoa física)

S. A. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

02/05/1985

RPI 746

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

Pedido de patente depositado

#2.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

Patente extinta em 05/11/96

08/19/2008

RPI 1963

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