(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

LIGA À BASE DE ALUMÍNIO

Arquivada/ExtintaInvention PatentPCT · US1988002486

Application data

Number

PI8807653

Type

Invention Patent

Filing

07/21/1988

Publication

06/12/1990

PCT

US1988002486

Progress at the INPI

  1. Filing07/21/88
  2. Publication06/12/90
  3. Examination06/11/91
  4. Allowance09/17/96
  5. Grant05/27/97
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 08/26/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. C. (pessoa física)

US

M. C. (pessoa física)

US

See this company's full portfolio

Inventors

F. H. (pessoa física)

US

J. P. (pessoa física)

US

K. K. (pessoa física)

US

L. K. (pessoa física)

US

Technical data

Priority claims

US

083.333 · 08/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/07/2008

08/26/2008

RPI 1964

Transferência deferida

#25.1

Transferido por incorporação de: Martin Marietta Corporation

11/22/2005

RPI 1820

Concessão da patente

#16.1

05/27/1997

RPI 1382

Deferimento

#9.1

09/17/1996

RPI 1346

Exigência - art. 36 da LPI

#6.1

12/05/1995

RPI 1305

Solicitação de exame técnico

#4.1

06/11/1991

RPI 1071

Notificação de entrada na fase nacional - PCT

#1.3

06/12/1990

RPI 1022

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.