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Official data from INPI

FILTRO DE AR PARA MOTORES DE COMBUSTAO INTERNA COMPRESSORES E DEMAIS MAQUINAS ASPIRADORAS DE AR

Arquivada/ExtintaUtility Model

Application data

Number

MU5701253

Type

Utility Model

Filing

12/08/1976

Publication

-

Progress at the INPI

  1. Filing12/08/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant08/31/82
  6. Expired08/16/88

The letters patent expired on 08/16/1988: 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: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MANN & HUMMEL FILTER

Inventors

S. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

22.9

11/30/1982

RPI 632

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

02/02/1982

RPI 589

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