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Official data from INPI

DESTILADOR PARA MERCÚRIO EM GARIMPOS

PublicadaInvention Patent

Application data

Number

PI8903518

Type

Invention Patent

Filing

07/10/1989

Publication

11/07/1989

Progress at the INPI

  1. Filing07/10/89
  2. Publication11/07/89
  3. Examination04/23/91
  4. Allowance07/09/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. W. (pessoa física)

PR, BR

Inventors

C. W. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

11/07/1989

RPI 994

Pedido de patente depositado

#2.1

10/03/1989

RPI 989

Carta-patente expirada

#21.1

Patente extinta em 10/07/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

07/09/1996

RPI 1336

Conhecimento de parecer técnico

#7.1

12/12/1995

RPI 1306

Solicitação de exame técnico

#4.1

04/23/1991

RPI 1064

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