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Official data from INPI

APLICADOR DE ADESIVO DE RECOBRIMENTO POR FUSÃO ATIVADO POR C.A.

PublicadaInvention Patent

Application data

Number

PI8803088

Type

Invention Patent

Filing

06/23/1988

Publication

01/10/1989

Progress at the INPI

  1. Filing06/23/88
  2. Publication01/10/89
  3. Examination02/19/91
  4. Allowance06/16/92
  5. Grant03/30/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

R. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

067.713 · 06/26/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/10/1989

RPI 951

Pedido de patente depositado

#2.1

11/16/1988

RPI 943

Carta-patente expirada

#21.1

Patente extinta em 23/06/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

11/03/1992

RPI 1144

Deferimento

#9.1

06/16/1992

RPI 1124

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

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