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Official data from INPI

CONJUNTO CONDENSADOR, CONJUNTO PARA TRATAR FLUIDOS EM BENEFICIAMENTO E PROCESSO DE AQUECER ÁGUA DE ADMISSÃO PARA BENEFICIAMENTO.

ConcedidaInvention Patent

Application data

Number

PI8401493

Type

Invention Patent

Filing

03/30/1984

Publication

11/13/1984

Progress at the INPI

  1. Filing03/30/84
  2. Publication11/13/84
  3. Examination12/23/86
  4. Allowance09/08/87
  5. Grant06/28/88
  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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kamyr, Inc

US

See this company's full portfolio

Inventors

C. E. (pessoa física)

US

M. B. (pessoa física)

US

T. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

480.752 · 03/31/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

12/23/1986

RPI 844

Publicação do pedido de patente

#3.1

11/13/1984

RPI 734

Pedido de patente depositado

#2.1

06/19/1984

RPI 713

Carta-patente expirada

#21.1

Patente extinta em 30/03/99

07/08/2008

RPI 1957

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