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Official data from INPI

MÉTODO E APARELHO PARA ANÁLISE ESPECTROCÓPICA DE UM METAL EM FUSÃO

Arquivada/ExtintaInvention PatentPCT · US1990002078

Application data

Number

PI9007307

Type

Invention Patent

Filing

04/20/1990

Publication

03/24/1992

PCT

US1990002078

Progress at the INPI

  1. Filing04/20/90
  2. Publication03/24/92
  3. Examination06/29/93
  4. Allowance03/28/95
  5. Grant10/31/95
  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

L. U. (pessoa física)

US

Inventors

Y. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

341.748 · 04/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/04/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

10/31/1995

RPI 1300

Notificação para pagamento de retribuição

#13.1

09/05/1995

RPI 1292

Deferimento

#9.1

03/28/1995

RPI 1269

Exigência - art. 36 da LPI

#6.1

10/11/1994

RPI 1245

Solicitação de exame técnico

#4.1

06/29/1993

RPI 1178

Notificação de entrada na fase nacional - PCT

#1.3

03/24/1992

RPI 1112

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