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Official data from INPI

MÁQUINA ELÉTRICA COM UM PACOTE DE LÂMINAS QUE SUSTENTA UM ENROLAMENTO E PROCESSO PARA A SUA FABRICAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8801678

Type

Invention Patent

Filing

04/08/1988

Publication

11/16/1988

Progress at the INPI

  1. Filing04/08/88
  2. Publication11/16/88
  3. Examination05/23/89
  4. Allowance12/07/93
  5. Grant06/28/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Danfoss A/S

DK

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Inventors

E. L. (pessoa física)

DK

P. P. (pessoa física)

DK

Technical data

IPC Classification

Priority claims

DE

P 37 12 226.6 · 04/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/23/1989

RPI 970

Publicação do pedido de patente

#3.1

11/16/1988

RPI 943

Pedido de patente depositado

#2.1

08/16/1988

RPI 930

Carta-patente expirada

#21.1

Patente extinta em 08/04/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

06/28/1994

RPI 1230

Deferimento

#9.1

12/07/1993

RPI 1201

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