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Official data from INPI

TRANSPORTADORA DE CORREIA DE CINTA DUPLA

PublicadaInvention Patent

Application data

Number

PI8701578

Type

Invention Patent

Filing

04/06/1987

Publication

02/09/1988

Progress at the INPI

  1. Filing04/06/87
  2. Publication02/09/88
  3. Examination09/18/90
  4. Allowance06/04/91
  5. Grant11/26/91
  6. Terminated10/17/95

The patent was granted on 11/26/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Friedrich Wilh. Schwing GmbH

DE

See this company's full portfolio

Inventors

F. S. (pessoa física)

DE

G. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 19 246.5 · 06/07/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/09/1988

RPI 903

Pedido de patente depositado

#2.1

07/14/1987

RPI 873

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

10/01/1991

RPI 1087

Deferimento

#9.1

06/04/1991

RPI 1070

Solicitação de exame técnico

#4.1

09/18/1990

RPI 1033

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