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Official data from INPI

APARELHO E ARRANJO DE RESFRIAMENTO A GAS-LIQUIDO

ConcedidaInvention Patent

Application data

Number

PI8008165

Type

Invention Patent

Filing

12/12/1980

Publication

-

Progress at the INPI

  1. Filing12/12/80
  2. Publication
  3. Examination
  4. Allowance05/08/84
  5. Grant11/27/84
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 11/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

JP

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Inventors

H. I. (pessoa física)

M. T. (pessoa física)

T. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/08/1984

RPI 707

Exigência - art. 36 da LPI

#6.1

11/08/1983

RPI 681

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B05B 7/08; B05B 15/04; B05C 11/06; C21D 1/62.

03/20/2018

RPI 2463

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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