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Official data from INPI

Torre de resfriamento e viga de junção para elementos de enchimento.

Em AnáliseInvention Patent

Application data

Number

PI8001734

Type

Invention Patent

Filing

03/21/1980

Publication

-

Progress at the INPI

  1. Filing03/21/80
  2. Publication
  3. Examination09/28/82
  4. Allowance05/31/83
  5. Grant11/29/83
  6. Terminated06/21/88

The patent was granted on 11/29/1983 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

Inventors

S. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

23.060 · 03/23/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Republicação - classificação IPC

#15.11

05/31/1983

RPI 658

Deferimento

#9.1

05/31/1983

RPI 658

Solicitação de exame técnico

#4.1

09/28/1982

RPI 623

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