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Home » Gruen Box Database » 1950s » Curvex Box “Gray Egg” 1950 and later
Curvex Box “Gray Egg” 1950 and later [message #12170] Thu, 13 February 2020 17:25 Go to previous message
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Messages: 18
Registered: January 2020
Gruen Apprentice
Period : 1950 and later

Watch type : Gruen Curvex

Size : Height 11 cm (4 5/16”), Depth 7 cm (2 ¾”), width 5.4 cm (2 1/8”)

Inventor : Francis E. Blod and Alfred M. Blumenfeld

Patents : US Patent 2,667,967 and US Design Patent 161,898 (both applied on Sep. 21, 1950)

Box maker : Braun-Crystal Manufacturing Co. and BCN Design Products Inc., respectively


Shortly after application of the patents the box was already advertised. Shown here is an ad issued in “The Ohio Daily Express” of October 13, 1950.

The box was sold together with an outer box - it looked like this:

https://jewelry.ha.com/itm/estate-jewelry/watches/gruen-curv ex-precision-gold-filled-watch/a/171820-73052.s


For more photos and for images of the patents see here:

http://vintagegruen.org/vgforum/index.php?t=msg&th=1288& amp;goto=12119&#msg_12119


/vgforum/index.php?t=getfile&id=6131&private=0

/vgforum/index.php?t=getfile&id=6132&private=0

/vgforum/index.php?t=getfile&id=6133&private=0

/vgforum/index.php?t=getfile&id=6134&private=0

/vgforum/index.php?t=getfile&id=6135&private=0






 
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