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Official data from INPI

PROCESSO E APARELHO PARA PRODUZIR VESÍCULAS LIPÍDICAS

Arquivada/ExtintaInvention PatentPCT · US1989000850

Application data

Number

PI8907293

Type

Invention Patent

Filing

03/02/1989

Publication

03/12/1991

PCT

US1989000850

Progress at the INPI

  1. Filing03/02/89
  2. Publication03/12/91
  3. Examination11/12/91
  4. Allowance03/19/96
  5. Grant02/25/97
  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

Micro-Pak, Inc.

US

Inventors

C. Y. (pessoa física)

US

D. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

163.806 · 03/03/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/03/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

02/25/1997

RPI 1369

Notificação para pagamento de retribuição

#13.1

12/10/1996

RPI 1358

Deferimento

#9.1

03/19/1996

RPI 1320

Exigência - art. 36 da LPI

#6.1

05/23/1995

RPI 1277

Solicitação de exame técnico

#4.1

11/12/1991

RPI 1093

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1991

RPI 1058

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