Vacuum tubes of a radio

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio receiver – tuner or amplifier – or housing therefor

Design Patent

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Details

CD14S217000

Design Patent

active

D0489705

CLAIM:
I claim the ornamental design for a vacuum tubes of a radio, as shown and described.

REFERENCES:
patent: 1719014 (1929-07-01), Kent
patent: 1905276 (1933-04-01), Erickson
patent: D146624 (1947-04-01), Swartzmiller
patent: 2497747 (1950-02-01), Valdettaro
patent: D220544 (1971-04-01), Unger
patent: 4521919 (1985-06-01), Molloy
patent: D318688 (1991-07-01), Hervatin
patent: D339347 (1993-09-01), Romero
patent: 5465422 (1995-11-01), Dean

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