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Official data from INPI

APERFEIÇOAMENTO EM OU REFERENTES A CLASSIFICADOR DE MINERAIS.

ConcedidaInvention Patent
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Application data

Number

PI8301250

Type

Invention Patent

Filing

03/14/1983

Publication

06/14/1983
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Progress at the INPI

  1. Filing03/14/83
  2. Publication06/14/83
  3. Examination09/20/83
  4. Allowance06/14/88
  5. Grant02/28/89
  6. Terminated02/18/92

The patent was granted on 02/28/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. M. (pessoa física)

Inventors

M. [. (pessoa física)

W. [. (pessoa física)

Technical data

IPC Classification

B03B 5/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/14/1988

RPI 921

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Conhecimento de parecer técnico

#7.1

08/19/1986

RPI 826

Exigência - art. 36 da LPI

#6.1

05/07/1985

RPI 759

Solicitação de exame técnico

#4.1

09/20/1983

RPI 674

Publicação antecipada

#3.2

06/14/1983

RPI 660

Pedido de patente depositado

#2.1

04/26/1983

RPI 653

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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