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Official data from INPI

OBJETOS TUBULARES DE PLASTICO APERFEICOADOS

ConcedidaInvention Patent

Application data

Number

PI8108866

Type

Invention Patent

Filing

11/14/1980

Publication

10/13/1982

Progress at the INPI

  1. Filing11/14/80
  2. Publication10/13/82
  3. Examination05/03/83
  4. Allowance02/28/84
  5. Grant12/26/84
  6. Terminated09/25/90

The patent was granted on 12/26/1984 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

JOHNS MANVILLE [US]

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

05/03/1983

RPI 654

Notificação de entrada na fase nacional - PCT

#1.3

10/13/1982

RPI 625

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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