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

PROCESSO PARA A LIMPEZA DE PARTES DE MÁQUINA DE DIFÍCIL ACESSO

Arquivada/ExtintaInvention PatentPCT · EP1989000068
Talk to an expert

Application data

Number

PI8907201

Type

Invention Patent

Filing

01/24/1989

Publication

07/30/1991

PCT

EP1989000068
View on INPI

Progress at the INPI

  1. Filing01/24/89
  2. Publication07/30/91
  3. Examination09/24/91
  4. Allowance08/31/99
  5. Grant05/30/00
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 12/18/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. K. (pessoa física)

DE

S. P. (pessoa física)

DE

Inventors

H. K. (pessoa física)

DE

Technical data

IPC Classification

C11D 3/04C11D 3/08C11D 3/10C11D 3/20C11D 3/43

Priority claims

DE

P 38 02 127.7 · 01/26/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/05/2010

12/18/2012

RPI 2189

Concessão da patente

#16.1

05/30/2000

RPI 1534

Deferimento

#9.1

08/31/1999

RPI 1495

Exigência - art. 36 da LPI

#6.1

03/09/1999

RPI 1470

Exigência - art. 36 da LPI

#6.1

08/18/1998

RPI 1443

4.1.2

01/14/1992

RPI 1102

Solicitação de exame técnico

#4.1

09/24/1991

RPI 1086

Notificação de entrada na fase nacional - PCT

#1.3

07/30/1991

RPI 1078

14.1

05/14/1991

RPI 1067

Related

Patent monitoring

Track this patent in real time.

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