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Official data from INPI

PRENSA DE LAMINACAO

Em AnáliseInvention Patent

Application data

Number

PI8104395

Type

Invention Patent

Filing

07/10/1980

Publication

03/30/1982

Progress at the INPI

  1. Filing07/10/80
  2. Publication03/30/82
  3. Examination06/29/82
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Terminated08/07/90

The patent was granted on 08/28/1984 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: 01/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KEUFFEL & ESSER CO

Inventors

P. A. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

01/13/1987

RPI 847

20.10

01/06/1987

RPI 846

20.4

01/06/1987

RPI 846

Pedido de licença compulsória

#20.1

11/11/1986

RPI 838

20.4

11/04/1986

RPI 837

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

03/30/1982

RPI 597

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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