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Official data from INPI

SISTEMA DE CONTROLE PARA MONITORAR O FUNCIONAMENTO DE UM SISTEMA DE REFRIGERACAO E PROCESSO PARA DE TECTAR O ACUMULO DE GELO NO DITO SISTEMA

Em AnáliseInvention Patent

Application data

Number

PI7800555

Type

Invention Patent

Filing

01/31/1977

Publication

-

Progress at the INPI

  1. Filing01/31/77
  2. Publication
  3. Examination
  4. Allowance10/13/82
  5. Grant05/31/83
  6. Terminated05/17/88

The patent was granted on 05/31/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CARRIER CORP

See this company's full portfolio

Inventors

E. F. (pessoa física)

R. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Cessão de direito de exploração

#22.1

05/20/1986

RPI 813

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

02/16/1983

RPI 643

Deferimento

#9.1

10/13/1982

RPI 625

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

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