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Official data from INPI

REALIMENTACAO CONTROLADA DE CORRENTE

Arquivada/ExtintaUtility Model
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Application data

Number

MU5601096

Type

Utility Model

Filing

09/22/1976

Publication

-
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Progress at the INPI

  1. Filing09/22/76
  2. Publication
  3. Examination
  4. Allowance05/04/82
  5. Grant
  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.

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Latest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMPLIMAG SA CONTROLES AUTOMATI

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

Notificação para pagamento de retribuição

#13.1

09/08/1982

RPI 620

Deferimento

#9.1

05/04/1982

RPI 602

14.7

10/20/1981

RPI 574

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