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Official data from INPI

SISTEMA DE PROPULSÃO E HIDROFÓLIO INTEGRADO PARA APLICAÇÃO EM UMA VIATURA ANFÍBIA

Arquivada/ExtintaInvention PatentPCT · US1990002786

Application data

Number

PI9006815

Type

Invention Patent

Filing

05/18/1990

Publication

08/06/1991

PCT

US1990002786

Progress at the INPI

  1. Filing05/18/90
  2. Publication08/06/91
  3. Examination04/27/93
  4. Allowance11/21/95
  5. Grant08/27/96
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

US

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Inventors

B. D. (pessoa física)

US

C. B. (pessoa física)

US

H. W. (pessoa física)

US

W. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

369.172 · 06/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/05/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

08/27/1996

RPI 1343

Deferimento

#9.1

11/21/1995

RPI 1303

Exigência - art. 36 da LPI

#6.1

05/09/1995

RPI 1275

Exigência - art. 36 da LPI

#6.1

04/19/1994

RPI 1220

Solicitação de exame técnico

#4.1

04/27/1993

RPI 1169

Notificação de entrada na fase nacional - PCT

#1.3

08/06/1991

RPI 1079

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