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Official data from INPI

CALANDRA COMBINADA DE TRES E DE QUATRO ROLOS,PARA CURVAR CHAPAS

ConcedidaInvention Patent

Application data

Number

PI7807150

Type

Invention Patent

Filing

10/27/1978

Publication

-

Progress at the INPI

  1. Filing10/27/78
  2. Publication
  3. Examination06/15/82
  4. Allowance02/09/88
  5. Grant07/26/88
  6. Terminated09/18/90

The patent was granted on 07/26/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MAQ TEHL COM MAQUINAS IND LTD

Inventors

V. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

14.7

04/12/1988

RPI 912

Deferimento

#9.1

02/09/1988

RPI 903

Retificação

#15.6

12/01/1987

RPI 893

Alteração de numeração

#15.1

08/25/1987

RPI 879

8.1

09/24/1985

RPI 779

8.1

11/20/1984

RPI 735

Exigência - art. 36 da LPI

#6.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

20.4

02/06/1990

RPI 1005

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