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Official data from INPI

ESTATOR PARA UMA BOMBA DE HÉLICE EXCÊNTRICA

DeferidaInvention Patent

Application data

Number

PI8603356

Type

Invention Patent

Filing

07/16/1986

Publication

02/24/1987

Progress at the INPI

  1. Filing07/16/86
  2. Publication02/24/87
  3. Examination07/14/87
  4. Allowance08/15/89
  5. Grant03/20/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Netzsch-Mohnopumpen Gmbh

DE

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Inventors

E. U. (pessoa física)

DE

J. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 25 529.3 · 07/17/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/15/1989

RPI 982

Solicitação de exame técnico

#4.1

07/14/1987

RPI 873

Publicação do pedido de patente

#3.1

02/24/1987

RPI 853

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Carta-patente expirada

#21.1

Patente extinta em 16/07/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/02/1990

RPI 1000

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