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Official data from INPI

ACIONAMENTO DE ÊMBOLO

PublicadaInvention Patent

Application data

Number

PI8901488

Type

Invention Patent

Filing

03/30/1989

Publication

11/14/1989

Progress at the INPI

  1. Filing03/30/89
  2. Publication11/14/89
  3. Examination08/13/91
  4. Allowance08/24/93
  5. Grant04/26/94
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 11/14/1989. 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 11 110.1 · 03/31/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/14/1989

RPI 995

Pedido de patente depositado

#2.1

05/16/1989

RPI 969

Carta-patente expirada

#21.1

Patente extinta em 30/03/2004

12/15/2009

RPI 2032

Republicação - classificação IPC

#15.11

03/01/1995

RPI 1265

Concessão da patente

#16.1

04/26/1994

RPI 1221

Deferimento

#9.1

08/24/1993

RPI 1186

Solicitação de exame técnico

#4.1

08/13/1991

RPI 1080

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