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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent
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Application data

Number

PI7900015

Type

Invention Patent

Filing

01/03/1979

Publication

-
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Progress at the INPI

  1. Filing01/03/79
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant03/29/83
  6. Terminated05/04/93

The patent was granted on 03/29/1983 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: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Oxytech Sistems, Inc

US

Inventors

O. R. (pessoa física)

P. G. (pessoa física)

Technical data

IPC Classification

C25B 11/03

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/09/1988

RPI 903

Pedido de licença compulsória

#20.1

03/18/1986

RPI 804

20.7

03/11/1986

RPI 803

20.4

03/04/1986

RPI 802

20.4

02/18/1986

RPI 800

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Anuidade - prazo legal encerrado

#18.2

05/04/1993

RPI 1170

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