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Official data from INPI

RECIPIENTE PARA ARMAZENAGEM DE MATERIAIS EM BAIXAS TEMPERATURAS,E APERFEICOAMENTO NA FABRICACAO DE RECIPIENTES DE PAREDES DUPLAS PARA ARMAZENAMENTO DE MATERIAIS EM BAIXAS TEMPERATURAS

Em AnáliseInvention Patent

Application data

Number

PI7607653

Type

Invention Patent

Filing

11/18/1975

Publication

-

Progress at the INPI

  1. Filing11/18/75
  2. Publication
  3. Examination
  4. Allowance12/22/81
  5. Grant08/31/82
  6. Terminated11/24/87

The patent was granted on 08/31/1982 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNION CARBIDE CORP

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Inventors

B. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/24/1987

RPI 892

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

04/27/1982

RPI 601

Deferimento

#9.1

12/22/1981

RPI 583

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