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Official data from INPI

APERFEIÇOAMENTO EM UMA BOMBA DE DESLOCAMENTO POSITIVO E ELEMENTO DE CÂMARA PARA UMA BOMBA DE DESLOCAMENTO POSITIVO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906367

Type

Invention Patent

Filing

12/08/1989

Publication

08/21/1990

Progress at the INPI

  1. Filing12/08/89
  2. Publication08/21/90
  3. Examination12/26/90
  4. Allowance07/14/92
  5. Grant03/30/93
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Astra-Tech AB

SE

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Inventors

S. L. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8804448-2 · 12/08/1988

US

359,085 · 05/30/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/12/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

12/01/1992

RPI 1148

Deferimento

#9.1

07/14/1992

RPI 1128

Solicitação de exame técnico

#4.1

12/26/1990

RPI 1047

Publicação do pedido de patente

#3.1

08/21/1990

RPI 1029

Pedido de patente depositado

#2.1

03/27/1990

RPI 1011

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