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Official data from INPI

PI7908949

ConcedidaInvention Patent

Application data

Number

PI7908949

Type

Invention Patent

Filing

01/24/1979

Publication

-

Progress at the INPI

  1. Filing01/24/79
  2. Publication
  3. Examination09/28/82
  4. Allowance11/01/88
  5. Grant07/25/89
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

US

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

131

05/30/1989

RPI 971

100

11/01/1988

RPI 941

120

06/16/1987

RPI 869

Republicação - classificação IPC

#15.11

10/16/1984

RPI 730

Petição de recurso

#12.2

08/07/1984

RPI 720

Indeferimento

#9.2

04/24/1984

RPI 705

Pedido de certificado de adição de invenção

#5.1

03/15/1983

RPI 647

Solicitação de exame técnico

#4.1

09/28/1982

RPI 623

Carta-patente expirada

#21.1

Patente extinta em 24/01/94

08/19/2008

RPI 1963

201

03/05/1991

RPI 1057

Pedido de licença voluntária

#17.1

09/25/1990

RPI 1034

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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