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Official data from INPI

TERMINAL A TERRA PARA APARELHOS DE AQUECIMENTO ELETRICO

Arquivada/ExtintaUtility Model

Application data

Number

MU5601408

Type

Utility Model

Filing

11/29/1976

Publication

-

Progress at the INPI

  1. Filing11/29/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/22/83
  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

C. E. (pessoa física)

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Inventors

T. H. (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

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

09/14/1982

RPI 621

110

06/01/1982

RPI 606

Republicação - classificação IPC

#15.11

01/26/2010

RPI 2038

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