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Official data from INPI

APERFEICOAMENTO EM PROCESSO DE PRODUCAO DE UM EQUIPAMENTO DE FUSAO PARA MATERIAL AMOLECIVEL PELO CALOR,APERFEICOAMENTO EM PROCESSO DE PRODUCAO DE UMA BUCHA TEXTIL E BUCHA TEXTIL PARA FILAMENTOS

Em AnáliseInvention Patent

Application data

Number

PI7808283

Type

Invention Patent

Filing

12/23/1977

Publication

-

Progress at the INPI

  1. Filing12/23/77
  2. Publication
  3. Examination
  4. Allowance07/27/82
  5. Grant02/22/83
  6. Terminated02/25/86

The patent was granted on 02/22/1983 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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OWENS CORNING FIBERGLASS CORP

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Inventors

G. B. (pessoa física)

S. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

02/25/1986

RPI 801

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Republicação - classificação IPC

#15.11

11/01/1983

RPI 680

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

12/14/1982

RPI 634

Deferimento

#9.1

07/27/1982

RPI 614

6.2

12/29/1981

RPI 584

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