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Official data from INPI

COMUTADOR ELÉTRICO ESCALONADO

Em AnáliseInvention Patent

Application data

Number

PI8505341

Type

Invention Patent

Filing

10/25/1985

Publication

08/05/1986

Progress at the INPI

  1. Filing10/25/85
  2. Publication08/05/86
  3. Examination04/26/88
  4. Allowance11/13/90
  5. Grant05/25/93
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Baco

FR

C. A. (pessoa física)

FR

Inventors

A. M. (pessoa física)

FR

E. B. (pessoa física)

FR

J. H. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

84 16 446 · 10/26/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

08/05/1986

RPI 824

Pedido de patente depositado

#2.1

01/14/1986

RPI 795

Carta-patente expirada

#21.1

Patente extinta em 25/10/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

03/30/1993

RPI 1165

110

01/12/1993

RPI 1154

Recurso

#12.1

03/05/1991

RPI 1057

Deferimento

#9.1

11/13/1990

RPI 1041

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