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Official data from INPI

MATERIAL EM FOLHA FIBROSA LIGADA

ConcedidaInvention Patent

Application data

Number

PI8103679

Type

Invention Patent

Filing

06/16/1980

Publication

03/02/1982

Progress at the INPI

  1. Filing06/16/80
  2. Publication03/02/82
  3. Examination05/08/84
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Terminated09/25/90

The patent was granted on 11/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DEXTER CORP

Inventors

E. C. (pessoa física)

S. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

10/16/1984

RPI 730

Solicitação de exame técnico

#4.1

05/08/1984

RPI 707

Publicação do pedido de patente

#3.1

03/02/1982

RPI 593

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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