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Official data from INPI

Analisador de resistência de isolamento.

Em AnáliseInvention Patent

Application data

Number

PI8003495

Type

Invention Patent

Filing

06/04/1980

Publication

-

Progress at the INPI

  1. Filing06/04/80
  2. Publication
  3. Examination
  4. Allowance05/31/83
  5. Grant02/28/84
  6. Expired09/12/95

The letters patent expired on 09/12/1995: 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: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. C. (pessoa física)

JP

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Inventors

E. H. (pessoa física)

S. S. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

79-88466 · 07/12/1979

JP

79-88467 · 07/12/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

02/09/1988

RPI 903

Concessão da patente

#16.1

02/28/1984

RPI 697

14.4

11/01/1983

RPI 680

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Exigência - art. 36 da LPI

#6.1

12/14/1982

RPI 634

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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