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

SOBRETAMPA DE VIOLAÇÃO EVIDENTE

PublicadaInvention Patent

Application data

Number

PI8702765

Type

Invention Patent

Filing

05/29/1987

Publication

03/01/1988

Progress at the INPI

  1. Filing05/29/87
  2. Publication03/01/88
  3. Examination06/12/90
  4. Allowance04/30/91
  5. Grant11/26/91
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Merck & Co., Inc.

US

See this company's full portfolio

Inventors

A. L. (pessoa física)

US

H. M. (pessoa física)

US

N. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

869.480 · 06/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/01/1988

RPI 906

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 29/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

Solicitação de exame técnico

#4.1

06/12/1990

RPI 1022

Patent monitoring

Track this patent in real time.

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