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Jul 27, 2001, 03:48 PM
Registered User
This patent will not affect you if you do not sell an airplane made using these methods and materials.
Patents only last 9 years(maybe 7?) anyway and are rarely extended.
Jul 28, 2001, 05:30 AM
Model Designer
keven64's Avatar

Radix2 - Thanks very much for that - an unusual and topical little twist . . .


Jul 28, 2001, 01:46 PM
Registered User
g00bd0g's Avatar
Mass produced coroplast lifting bodies...

nuff said
May 30, 2015, 06:15 PM
Registered User

Patent? Expired

Anyone notice that the patent seems to have been abandoned.
May 30, 2015, 07:16 PM
Night Flying
Ron H's Avatar
May 30, 2015, 10:55 PM
JimNM's Avatar
Show me where hobbico owns hi-tec.... I call B.S. on the premise of the whole post....
May 31, 2015, 12:29 AM
Registered User
I heard it was being used by the balsa growers association to drive up the demand for balsa. I also heard the bga was behind the big foam factory fire in china.
May 31, 2015, 01:33 AM
supreme being of leisure
ZAGNUT's Avatar
Originally Posted by JimNM View Post
Show me where hobbico owns hi-tec.... I call B.S. on the premise of the whole post....
he may have been wrong on hitec but everything else is spot on.

and if you want true patent office stupidity then apple's "rectangle with rounded corners" takes the cake.

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