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Official data from INPI

CRISTALIZADOR DE PULVERIZAÇÃO E PROCESSO PARA CRISTALIZAR SÓLIDOS A PARTIR DE UMA SOLUÇÃO LÍQUIDA

ConcedidaInvention Patent

Application data

Number

PI8306291

Type

Invention Patent

Filing

11/16/1983

Publication

06/19/1984

Progress at the INPI

  1. Filing11/16/83
  2. Publication06/19/84
  3. Examination05/27/86
  4. Allowance04/25/89
  5. Grant10/24/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uop Inc.

US

See this company's full portfolio

Inventors

T. F. (pessoa física)

US

W. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

442.501 · 11/17/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

09/13/1988

RPI 934

6.2

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

14.1

10/08/1985

RPI 781

Publicação do pedido de patente

#3.1

06/19/1984

RPI 713

Pedido de patente depositado

#2.1

01/24/1984

RPI 692

Carta-patente expirada

#21.1

Patente extinta em 16/11/98

07/01/2008

RPI 1956

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