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Official data from INPI

APERFEICOAMENTO EM MAQUINA CEIFADEIRA COMBINADA

Em AnáliseInvention Patent

Application data

Number

PI7702933

Type

Invention Patent

Filing

07/14/1976

Publication

-

Progress at the INPI

  1. Filing07/14/76
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. B. (pessoa física)

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

09/30/1986

RPI 832

20.4

09/30/1986

RPI 832

20.7

09/23/1986

RPI 831

20.7

01/02/1985

RPI 741

20.7

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

Licença compulsória (variante)

#20.2

10/06/1992

RPI 1140

20.4

07/31/1990

RPI 1026

Pedido de licença compulsória

#20.1

07/24/1990

RPI 1025

20.4

06/26/1990

RPI 1024

20.7

06/26/1990

RPI 1024

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