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Official data from INPI

METODO PARA REVESTIR UM TUBO METALICO COM UM ISOLAMENTO SINTETICO DE POLI-URETANO ESPUMOSO

ConcedidaInvention Patent

Application data

Number

PI8001461

Type

Invention Patent

Filing

03/15/1979

Publication

-

Progress at the INPI

  1. Filing03/15/79
  2. Publication
  3. Examination10/26/82
  4. Allowance01/10/84
  5. Grant07/31/84
  6. Terminated02/04/92

The patent was granted on 07/31/1984 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: 07/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KENDALL & CO

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Inventors

S. C. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

06/28/1983

RPI 662

Solicitação de exame técnico

#4.1

10/26/1982

RPI 627

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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