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Official data from INPI

SISTEMA DOSADOR DE MATERIAL LÍQUIDO,PASTOSO OU VISCOSO CONTIDO EM UM RECIPIENTE COMPRIMÍVEL

Em AnáliseInvention Patent

Application data

Number

PI8804086

Type

Invention Patent

Filing

08/12/1988

Publication

11/29/1988

Progress at the INPI

  1. Filing08/12/88
  2. Publication11/29/88
  3. Examination02/08/89
  4. Allowance06/22/93
  5. Grant02/16/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Castrol Brasil Ltda.

RJ, BR

See this company's full portfolio

Inventors

G. R. (pessoa física)

BR

M. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/08/1989

RPI 955

Publicação antecipada

#3.2

11/29/1988

RPI 945

Pedido de patente depositado

#2.1

11/22/1988

RPI 944

Carta-patente expirada

#21.1

Patente extinta em 12/08/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

02/16/1994

RPI 1211

Notificação para pagamento de retribuição

#13.1

11/09/1993

RPI 1197

Deferimento

#9.1

06/22/1993

RPI 1177

Conhecimento de parecer técnico

#7.1

05/26/1992

RPI 1121

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