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Official data from INPI

APARELHO E PROCESSO PARA REVESTIR UM PRODUTO PLÁSTICO

DeferidaInvention Patent

Application data

Number

PI8601927

Type

Invention Patent

Filing

04/29/1986

Publication

01/06/1987

Progress at the INPI

  1. Filing04/29/86
  2. Publication01/06/87
  3. Examination08/16/88
  4. Allowance10/10/89
  5. Grant05/29/90
  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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Townsend Engineering Company

US

See this company's full portfolio

Inventors

D. S. (pessoa física)

R. T. (pessoa física)

US

R. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

731.995 · 05/08/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/10/1989

RPI 990

Exigência - art. 36 da LPI

#6.1

05/16/1989

RPI 969

Solicitação de exame técnico

#4.1

08/16/1988

RPI 930

Publicação do pedido de patente

#3.1

01/06/1987

RPI 846

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Carta-patente expirada

#21.1

Patente extinta em 29/04/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

02/06/1990

RPI 1005

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