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

NIQUELAGEM NÃO ELÉTRICA DE ALUMÍNIO.

Em ExigênciaInvention PatentPCT · US1984001253

Application data

Number

PI8407027

Type

Invention Patent

Filing

08/08/1984

Publication

07/30/1985

PCT

US1984001253

Progress at the INPI

  1. Filing08/08/84
  2. Publication07/30/85
  3. Examination03/04/86
  4. Allowance09/03/91
  5. Grant04/28/92
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enthone, Incorporated

US

See this company's full portfolio

Inventors

E. Y. (pessoa física)

US

P. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

525358 · 08/22/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/14/1989

RPI 995

Conhecimento de parecer técnico

#7.1

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

03/04/1986

RPI 802

Notificação de entrada na fase nacional - PCT

#1.3

07/30/1985

RPI 771

Carta-patente expirada

#21.1

Patente extinta em 08/08/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

04/28/1992

RPI 1117

Deferimento

#9.1

09/03/1991

RPI 1083

Exigência - art. 36 da LPI

#6.1

03/12/1991

RPI 1058

Exigência - art. 36 da LPI

#6.1

10/02/1990

RPI 1035

Exigência - art. 36 da LPI

#6.1

05/29/1990

RPI 1020

Patent monitoring

Track this patent in real time.

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