RE: [PSUBS-MAILIST] Boat-Sub makes successful test dive

Subject: RE: [PSUBS-MAILIST] Boat-Sub makes successful test dive

From: "Jay K. Jeffries" <bottomgun@mindspring.com>

Date: Sat, 29 Dec 2007 13:59:56 -0500

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Brent,

An interesting point to note in the patent listed below that covers the Hyper-Sub is that the first two patents in the Prior Arts section are Simon Lake’s.

R/J²

Respectfully,

Jay K. Jeffries

Andros Is., Bahamas

A skimmer afloat is but a submarine, so poorly built it will not plunge.

From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Brent Hartwig
Sent: Saturday, December 29, 2007 5:52 AM
To: personal_submersibles@psubs.org
Subject: RE: [PSUBS-MAILIST] Boat-Sub makes successful test dive

Thank you for the interesting links Jay. I hadn't kept up on the progress of the Marion Hyper-Sub. I've been interested in that front window design, since I first saw it. I would like to see a stress analysis on it as well as see how it's sealed at the edges. Here is a interesting link to there patent data on Google Patent search. The drawings are interesting.

http://www.google.com/patents?id=bJWAAAAAEBAJ

Regards,

Brent Hartwig