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Official data from INPI

FILTROS DESCARTAVEIS DE FLUIDO

ConcedidaInvention Patent

Application data

Number

PI7808653

Type

Invention Patent

Filing

12/29/1977

Publication

-

Progress at the INPI

  1. Filing12/29/77
  2. Publication
  3. Examination
  4. Allowance05/10/88
  5. Grant10/25/88
  6. Expired05/31/94

The letters patent expired on 05/31/1994: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FLEETGUARD INC

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Inventors

J. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/10/1988

RPI 916

Conhecimento de parecer técnico

#7.1

11/10/1987

RPI 890

6.2

12/29/1981

RPI 584

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

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