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Official data from INPI

UM MANCAL HIDRODINÂMICO E PROCESSO PARA FAZER O MESMO

Arquivada/ExtintaInvention PatentPCT · US1988001841

Application data

Number

PI8807052

Type

Invention Patent

Filing

05/27/1988

Publication

10/17/1989

PCT

US1988001841

Progress at the INPI

  1. Filing05/27/88
  2. Publication10/17/89
  3. Examination06/05/90
  4. Allowance09/22/92
  5. Grant04/27/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. I. (pessoa física)

US

Inventors

R. I. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

055,340 · 05/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/17/1989

RPI 991

Carta-patente expirada

#21.1

Patente extinta em 27/05/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Deferimento

#9.1

09/22/1992

RPI 1138

Exigência - art. 36 da LPI

#6.1

11/05/1991

RPI 1092

Solicitação de exame técnico

#4.1

06/05/1990

RPI 1021

Solicitação de exame não realizada

#4.2

03/01/1990

RPI 1007

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