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Official data from INPI

PROCESSO DE OPERAR UM SISTEMA DE REFRIGERAÇÃO POR COMPRESSÃO DE VAPOR, E, RESPECTIVO SISTEMA DE REFRIGERAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8000514

Type

Invention Patent

Filing

01/28/1980

Publication

-

Progress at the INPI

  1. Filing01/28/80
  2. Publication
  3. Examination
  4. Allowance12/20/83
  5. Grant07/30/85
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 07/22/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

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Inventors

K. J. (pessoa física)

W. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

008.920 · 02/05/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

07/22/1986

RPI 822

Pedido de licença voluntária

#17.1

02/18/1986

RPI 800

Concessão da patente

#16.1

07/30/1985

RPI 771

110

03/26/1985

RPI 753

Recurso

#12.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Republicação - classificação IPC

#15.11

07/26/1983

RPI 666

Exigência - art. 36 da LPI

#6.1

06/21/1983

RPI 661

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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