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Official data from INPI

CATODO PARA UMA CELULA DE ALTA TEMPERATURA,A CELULA E BATERIA RECARREGAVEL

Em AnáliseInvention Patent

Application data

Number

PI7801429

Type

Invention Patent

Filing

07/15/1977

Publication

-

Progress at the INPI

  1. Filing07/15/77
  2. Publication
  3. Examination
  4. Allowance06/22/82
  5. Grant
  6. Terminated06/29/93

The patent was granted and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. I. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

09/20/1988

RPI 935

20.3

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

10/05/1982

RPI 624

Deferimento

#9.1

06/22/1982

RPI 609

15.0

12/15/1981

RPI 582

Exigência - art. 36 da LPI

#6.1

10/27/1981

RPI 575

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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