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Official data from INPI

Dispositivo de inserção de uma resistência ao fechamento do um aparelho de interrupção.

Em AnáliseInvention Patent

Application data

Number

PI8001232

Type

Invention Patent

Filing

02/29/1980

Publication

-

Progress at the INPI

  1. Filing02/29/80
  2. Publication
  3. Examination09/21/82
  4. Allowance03/20/84
  5. Grant09/25/84
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 08/05/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Delle - Alsthom

Inventors

D. V. (pessoa física)

N. D. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

7905478 · 03/02/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

08/05/1986

RPI 824

Pedido de licença compulsória

#20.1

07/29/1986

RPI 823

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

07/17/1984

RPI 717

Deferimento

#9.1

03/20/1984

RPI 700

8.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

07/19/1983

RPI 665

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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