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

FECHADURA COM CONTROLE DE TEMPO E UNIDADE DE CONTROLE DE TEMPO

ConcedidaInvention Patent

Application data

Number

PI7901912

Type

Invention Patent

Filing

09/07/1978

Publication

-

Progress at the INPI

  1. Filing09/07/78
  2. Publication
  3. Examination10/13/82
  4. Allowance07/09/85
  5. Grant02/04/86
  6. Expired06/21/94

The letters patent expired on 06/21/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SARGENT & GREENLEAF

Inventors

B. C. (pessoa física)

M. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

Patent monitoring

Track this patent in real time.

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