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Official data from INPI

BOMBA DE ROTOR E PROCESSO PARA SELAR UM EIXO EM RELAÇÃO A UM CORPO

Arquivada/ExtintaInvention PatentPCT · US1989003130

Application data

Number

PI8907572

Type

Invention Patent

Filing

07/17/1989

Publication

06/18/1991

PCT

US1989003130

Progress at the INPI

  1. Filing07/17/89
  2. Publication06/18/91
  3. Examination03/24/92
  4. Allowance09/27/94
  5. Grant05/30/95
  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

John Crane Inc

US

See this company's full portfolio

Inventors

A. B. (pessoa física)

US

D. O. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

222.196 · 07/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/07/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

01/31/1995

RPI 1261

Deferimento

#9.1

09/27/1994

RPI 1243

Exigência - art. 36 da LPI

#6.1

11/30/1993

RPI 1200

Solicitação de exame técnico

#4.1

03/24/1992

RPI 1112

Notificação de entrada na fase nacional - PCT

#1.3

06/18/1991

RPI 1072

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