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Official data from INPI

PROCESSO DE FABRICAÇÃO DE TUBOS COLETORES INTEGRADOS E TUBO COLETOR INTEGRADO

PublicadaInvention Patent

Application data

Number

PI8700906

Type

Invention Patent

Filing

02/25/1987

Publication

12/22/1987

Progress at the INPI

  1. Filing02/25/87
  2. Publication12/22/87
  3. Examination08/21/90
  4. Allowance06/14/94
  5. Grant11/29/94
  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: 12/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. A. (pessoa física)

NO

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Inventors

E. C. (pessoa física)

DK

Technical data

Priority claims

US

833,711 · 02/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/22/1987

RPI 896

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

Carta-patente expirada

#21.1

Patente extinta em 25/02/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

10/18/1994

RPI 1246

Deferimento

#9.1

06/14/1994

RPI 1228

Conhecimento de parecer técnico

#7.1

11/03/1993

RPI 1196

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

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