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

SISTEMA DE PROTECAO PARA DOCUMENTOS E DOCUMENTO

Em AnáliseInvention Patent

Application data

Number

PI7800461

Type

Invention Patent

Filing

02/08/1977

Publication

-

Progress at the INPI

  1. Filing02/08/77
  2. Publication
  3. Examination
  4. Allowance09/21/82
  5. Grant05/31/83
  6. Terminated01/28/92

The patent was granted on 05/31/1983 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: 05/20/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BURROUGHS CORP

See this company's full portfolio

Inventors

M. M. (pessoa física)

T. V. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

05/20/1986

RPI 813

16.3

07/26/1983

RPI 666

Concessão da patente

#16.1

05/31/1983

RPI 658

Deferimento

#9.1

09/21/1982

RPI 622

Exigência - art. 36 da LPI

#6.1

03/02/1982

RPI 593

6.2

11/03/1981

RPI 576

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

Patent monitoring

Track this patent in real time.

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