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Official data from INPI

instalação para controle de temperaturas otimizadas em tanques ou reatores de processos exotérmicos.

Em AnáliseInvention Patent

Application data

Number

PI8104804

Type

Invention Patent

Filing

07/27/1981

Publication

11/17/1981

Progress at the INPI

  1. Filing07/27/81
  2. Publication11/17/81
  3. Examination03/02/82
  4. Allowance10/22/85
  5. Grant06/24/86
  6. Terminated09/13/94

The patent was granted on 06/24/1986 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

Alpina S/A Indústria e Comércio.

Inventors

W. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

01/13/1987

RPI 847

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

10/22/1985

RPI 783

8.1

05/28/1985

RPI 762

Exigência - art. 36 da LPI

#6.1

09/18/1984

RPI 726

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

Publicação antecipada

#3.2

11/17/1981

RPI 578

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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