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

MATERIAL VEDANTE

Em AnáliseInvention Patent

Application data

Number

PI8601961

Type

Invention Patent

Filing

04/30/1986

Publication

01/06/1987

Progress at the INPI

  1. Filing04/30/86
  2. Publication01/06/87
  3. Examination02/21/89
  4. Allowance10/26/93
  5. Grant05/31/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

See this company's full portfolio

Inventors

G. C. (pessoa física)

US

W. U. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

730.405 · 05/02/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/21/1989

RPI 957

Publicação do pedido de patente

#3.1

01/06/1987

RPI 846

Pedido de patente depositado

#2.1

11/11/1986

RPI 838

Carta-patente expirada

#21.1

Patente extinta em 30/04/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/26/1993

RPI 1195

Exigência - art. 36 da LPI

#6.1

02/09/1993

RPI 1158

Exigência - art. 36 da LPI

#6.1

10/08/1991

RPI 1088

6.2

01/02/1990

RPI 1000

Patent monitoring

Track this patent in real time.

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