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

COMPOSIÇÃO A BASE DE CHUMBO E PROCESSO DE SUA OBTENÇÃO

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8001376

Type

Invention Patent

Filing

03/07/1980

Publication

-
View on INPI

Progress at the INPI

  1. Filing03/07/80
  2. Publication
  3. Examination
  4. Allowance01/03/89
  5. Grant08/29/89
  6. Terminated02/04/92

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. P. (pessoa física)

FR

Inventors

A. L. (pessoa física)

FR

B. R. (pessoa física)

FR

C. S. (pessoa física)

FR

Technical data

IPC Classification

C03C 1/00C03C 1/02C09C 1/14

Priority claims

FR

79-06.049 · 03/09/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Deferimento

#9.1

01/03/1989

RPI 950

Exigência - art. 36 da LPI

#6.1

03/15/1988

RPI 908

Republicação - classificação IPC

#15.11

03/07/1984

RPI 698

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

Related

Patent monitoring

Track this patent in real time.

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