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Official data from INPI

BOMBA ALTERNATIVA DE ALTA PRESSÃO

Arquivada/ExtintaInvention PatentPCT · US1989002585

Application data

Number

PI8906982

Type

Invention Patent

Filing

06/19/1989

Publication

12/18/1990

PCT

US1989002585

Progress at the INPI

  1. Filing06/19/89
  2. Publication12/18/90
  3. Examination03/17/92
  4. Allowance04/13/93
  5. Grant10/26/93
  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

Dresser Industries, Inc

US

See this company's full portfolio

Inventors

D. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

209.698 · 06/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/06/2004

12/29/2009

RPI 2034

Pedido de licença compulsória

#20.1

10/18/1994

RPI 1246

Concessão da patente

#16.1

10/26/1993

RPI 1195

Notificação para pagamento de retribuição

#13.1

08/03/1993

RPI 1183

Deferimento

#9.1

04/13/1993

RPI 1167

Solicitação de exame técnico

#4.1

03/17/1992

RPI 1111

Notificação de entrada na fase nacional - PCT

#1.3

12/18/1990

RPI 1046

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