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Official data from INPI

APARELHO E PROCESSO PARA MODELAR OS RESSALTOS DE UM PACOTE DE FIOS BASICAMENTE CILINDRICO

ConcedidaInvention Patent

Application data

Number

PI8401387

Type

Invention Patent

Filing

03/28/1983

Publication

11/06/1984

Progress at the INPI

  1. Filing03/28/83
  2. Publication11/06/84
  3. Examination06/17/86
  4. Allowance12/08/87
  5. Grant06/28/88
  6. Terminated06/06/95

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

See this company's full portfolio

Inventors

M. C. (pessoa física)

Technical data

IPC Classification

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

04/26/1988

RPI 914

Deferimento

#9.1

12/08/1987

RPI 894

Exigência - art. 36 da LPI

#6.1

03/10/1987

RPI 855

Solicitação de exame técnico

#4.1

06/17/1986

RPI 817

Republicação - classificação IPC

#15.11

06/04/1985

RPI 763

Publicação do pedido de patente

#3.1

11/06/1984

RPI 733

Pedido de patente depositado

#2.1

06/12/1984

RPI 712

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

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