trade mark

[Kirk]

"Joule Thief" seems to be a registered trademark.

http://www.adaptivenergy.com/docs/AN002 ... utions.pdf

FYI


Lloyd

[Kirk]

The Joule Thief circuit is on Wikipedia listed as open source hardware http://en.wikipedia.org/wiki/Category:Open_source_hardware

The document you linked has "Joule-Thief tm" which means they want to lay claim to "Joule-Thief" not "Joule Thief"

And the funny thing is I just did a search on the United States Patent and Trademark Office and could not find the term "Joule-Thief" as a registered trademark, so that means they did not go to the expense of registering their claim.

search for trade marks here:http://tess2.uspto.gov/bin/gate.exe?f=tess&state=4001:cbo422.1.1

Here is the current list of alive and dead registered marks with "Joule" from the USPTO:

Serial Number Reg. Number Word Mark Check Status Live/Dead
1 85125217 FARM JOULE TARR LIVE
2 85125186 GARDEN JOULE TARR LIVE
3 85120890 LOST JOULES TARR LIVE
4 79082900 GP JOULE TARR LIVE
5 79053201 3705427 JOULE SPORT TARR LIVE
6 79020768 3696021 JOULES TARR LIVE
7 79054023 3619577 TOM JOULE TARR LIVE
8 78895870 3314631 HOME JOULE TARR LIVE
9 78662945 3779537 JOULE TARR LIVE
10 78565098 JOULE TARR DEAD
11 78652006 3382886 JOULE TARR LIVE
12 78706672 3420092 JOULE INJECTED TARR LIVE
13 78638755 JOULE URBAN RESORT TARR DEAD
14 78626638 JOULES TARR DEAD
15 78514513 JOULE TARR DEAD
16 78452321 3490148 JOULE TARR LIVE
17 78481222 3340919 JOULE TARR LIVE
18 78271810 2869556 JOULE MICROSYSTEMS TARR LIVE
19 78233918 JOULE INFECTED TARR DEAD
20 78216739 2973026 AEROJOULE TARR LIVE
21 78196276 JOULE X TARR DEAD
22 78106099 JOULE21 TARR DEAD
23 77875095 VIRIDIAN JOULE TARR LIVE
24 77713263 JOULE TARR LIVE
25 77686249 JOULESTOR TARR LIVE
26 77837760 WIND JOULE TARR LIVE
27 77802173 ULTRAJOULE TARR DEAD
28 77734157 3836002 JOULE TARR LIVE
29 77948560 JOULE UNLIMITED TARR LIVE
30 77794910 JOULE TARR LIVE
31 77751712 SONIC JOULE TARR LIVE
32 77768427 3794826 JOULE TARR LIVE
33 77771761 AEROJOULE NEBULIZER TARR DEAD
34 77731605 JOULE POULE TARR DEAD
35 77642934 JOULEBODY TARR DEAD
36 77540237 JOULE TARR DEAD
37 77184348 ENERGY JOULE TARR LIVE
38 77343584 JOULE BIOTECHNOLOGIES TARR DEAD
39 77346089 3559862 JOULE TARR LIVE
40 77466760 JOULE BIOTECHNOLOGIES TARR DEAD
41 77344509 GREEN JOULES CLEAN ENERGY PROVIDERS TARR DEAD
42 77130784 3499651 THE JOULE TARR LIVE
43 77130774 HOTEL JOULE TARR DEAD
44 77020261 3371403 JOULETRACKER TARR LIVE
45 77003813 JOULE TARR LIVE
46 76500804 2852907 JOULES ANGSTROM TARR LIVE
47 76500805 2838024 JOULES ANGSTROM TARR LIVE
48 76086671 2551107 WEBJOULES TARR DEAD
49 76104282 2666983 JOULE-PRO TARR LIVE
50 76376008 THE JOULE TARR DEAD
51 76376007 THE JOULE TARR DEAD
52 76376006 THE JOULE TARR DEAD
53 76305079 BOJUL TARR DEAD
54 76023418 JOULE CYCLES TARR DEAD
55 75686991 2404924 JOULE TECHNOLOGIES TARR LIVE
56 75815495 SPA JOULE TARR DEAD
57 75804061 2397660 JOULE TARR DEAD
58 75644537 2319302 JOULE BOX TARR DEAD
59 75352306 2264127 JOULE BOX TARR DEAD
60 74725417 2224868 JOULE TUBE TARR DEAD
61 74723990 2025155 JOULE TARR LIVE
62 74723686 2002828 JOULE TARR LIVE
63 74493001 1922325 JOULE TARR DEAD
64 74440460 1967618 JOULE TARR DEAD
65 73640991 1535678 JOULE' TARR LIVE
66 73476474 JOULES TARR DEAD
67 73285705 1228724 JOULE TARR LIVE
68 73133978 1094574 JOULE 200 TARR DEAD