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Official data from INPI

ACIONAMENTO POR ÊMBOLO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904331

Type

Invention Patent

Filing

08/29/1989

Publication

04/17/1990

Progress at the INPI

  1. Filing08/29/89
  2. Publication04/17/90
  3. Examination06/23/92
  4. Allowance11/23/93
  5. Grant06/28/94
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 12/22/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. M. (pessoa física)

DE

Inventors

F. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 29 566.0 · 08/31/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/08/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

04/12/1994

RPI 1219

Deferimento

#9.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

04/17/1990

RPI 1014

Pedido de patente depositado

#2.1

01/09/1990

RPI 1001

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