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Official data from INPI

SEPARADOR DE ÁGUA DE COMBUSTÍVEL DOTADO DE UM CARTUCHO DE FILTRO ATARRAXÁVEL

Em AnáliseInvention Patent

Application data

Number

PI8407114

Type

Invention Patent

Filing

09/25/1984

Publication

08/27/1985

Progress at the INPI

  1. Filing09/25/84
  2. Publication08/27/85
  3. Examination07/28/87
  4. Allowance01/02/91
  5. Grant07/30/91
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Donaldson Company, Inc

US

See this company's full portfolio

Inventors

C. S. (pessoa física)

US

P. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

543.060 · 10/18/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

09/27/1988

RPI 936

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Notificação de entrada na fase nacional - PCT

#1.3

08/27/1985

RPI 775

Carta-patente expirada

#21.1

Patente extinta em 25/09/99

07/08/2008

RPI 1957

Exigência - art. 36 da LPI

#6.1

09/08/1992

RPI 1136

Republicação - classificação IPC

#15.11

09/24/1991

RPI 1086

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

04/16/1991

RPI 1063

Deferimento

#9.1

01/02/1991

RPI 1048

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