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Official data from INPI

PULSADOR PARA MÁQUINAS ORDENHADORAS

Em AnáliseInvention Patent

Application data

Number

PI8800316

Type

Invention Patent

Filing

01/27/1988

Publication

09/06/1988

Progress at the INPI

  1. Filing01/27/88
  2. Publication09/06/88
  3. Examination12/13/88
  4. Allowance01/15/91
  5. Grant08/27/91
  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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Westfalia Separator AG

DE

See this company's full portfolio

Inventors

E. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 37 02 419.1 · 01/28/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/13/1988

RPI 947

Publicação do pedido de patente

#3.1

09/06/1988

RPI 933

Pedido de patente depositado

#2.1

04/26/1988

RPI 914

Carta-patente expirada

#21.1

Patente extinta em 27/01/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

04/30/1991

RPI 1065

Deferimento

#9.1

01/15/1991

RPI 1050

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