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Official data from INPI

DISPOSITIVO DE TESTE PARA INTERRUPTORES DE CIRCUITO

PublicadaInvention Patent

Application data

Number

PI8901122

Type

Invention Patent

Filing

03/10/1989

Publication

10/31/1989

Progress at the INPI

  1. Filing03/10/89
  2. Publication10/31/89
  3. Examination11/05/91
  4. Allowance12/06/94
  5. Grant06/27/95
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

W. C. (pessoa física)

US

See this company's full portfolio

Inventors

C. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

169.929 · 03/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/31/1989

RPI 993

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Carta-patente expirada

#21.1

Patente extinta em 10/03/2004

12/15/2009

RPI 2032

Pedido de licença compulsória

#20.1

12/19/1995

RPI 1307

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

04/11/1995

RPI 1271

Deferimento

#9.1

12/06/1994

RPI 1253

Solicitação de exame técnico

#4.1

11/05/1991

RPI 1092

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