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Official data from INPI

CHAVE ELÉTRICA DE MOLA

Em AnáliseInvention Patent

Application data

Number

PI8500184

Type

Invention Patent

Filing

01/16/1985

Publication

04/15/1986

Progress at the INPI

  1. Filing01/16/85
  2. Publication04/15/86
  3. Examination08/05/86
  4. Allowance01/02/90
  5. Grant08/28/90
  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.

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Latest action published by the INPI: 08/05/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Leopold Kostal GmbH & Co. KG

DE

See this company's full portfolio

Inventors

E. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 24 417.4 · 07/03/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

04/15/1986

RPI 808

Pedido de patente depositado

#2.1

04/16/1985

RPI 756

Carta-patente expirada

#21.1

Patente extinta em 16/01/2000

07/15/2008

RPI 1958

Republicação - classificação IPC

#15.11

05/14/1991

RPI 1067

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

04/24/1990

RPI 1015

Deferimento

#9.1

01/02/1990

RPI 1000

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