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Official data from INPI

CILINDRO GUIA PARA O TRANSPORTE DE HASTES DE PLANTAS.

ConcedidaInvention Patent

Application data

Number

PI8305458

Type

Invention Patent

Filing

10/03/1983

Publication

05/07/1985

Progress at the INPI

  1. Filing10/03/83
  2. Publication05/07/85
  3. Examination11/05/85
  4. Allowance12/16/86
  5. Grant07/28/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Canatlantica S/A. Equipamentos Industriais

ES, BR

Inventors

L. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

11/05/1985

RPI 785

Publicação do pedido de patente

#3.1

05/07/1985

RPI 759

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Carta-patente expirada

#21.1

Patente extinta em 03/10/98

07/01/2008

RPI 1956

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