(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

APERFEICOAMENTOS EM PROCESSOS E EQUIPAMENTO PARA FABRICAR MANTAS DE VIDRO EM ROLOS PARA IMPERMEABILIZACAO EM GERAL E PROTECAO ANTI-CORROSIVA DE TUBULACOES

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI7707361

Type

Invention Patent

Filing

11/03/1977

Publication

-
View on INPI

Progress at the INPI

  1. Filing11/03/77
  2. Publication
  3. Examination
  4. Allowance01/04/83
  5. Grant02/28/84
  6. Terminated12/15/87

The patent was granted on 02/28/1984 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. V. (pessoa física)

Inventors

B. V. (pessoa física)

Technical data

IPC Classification

C03B 37/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

02/28/1984

RPI 697

14.7

11/01/1983

RPI 680

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/04/1983

RPI 637

8.1

08/24/1982

RPI 618

15.0

03/30/1982

RPI 597

Exigência - art. 36 da LPI

#6.1

01/19/1982

RPI 587

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.