own facts that wreck the machine tomo

of carefully drawn specification and claims, is, of course, highly important and necessary, but it should not be undertaken until after the most searching, practical tests of the invention, as well as the most careful investigation as to the public demand for your idea, as it is from the latter source that profits will come. The ca

D STATES SUPRE

ons are often placed in the hands of inexperienced persons to prepare such specification and claims, it is no matter of surprise that the latter frequently fail to describe with requisite certainty the exact invention o

of having the specification and claims of your patent properly drawn. It is equally as i

e patent. As Dr. Grimshaw, Ph.D., M. E., a celebrated inventor and scholar, known to many Americans, and at present residing in Germany, so aptly puts it, it is well to remember "There are some lines in which competition is so fierce that there would not be any use in coming into the field. If the Marquis

le, and never will amount to anything. While they are splendid in "theory," and pretty to look at, and talk about, yet in "practice" and real utility they are of no value. Don't go to the expense of

on you are notified by the U.S. Patent Office of an interference suit, if someone else happens to file an application along similar lines. It is then

pensive means to follow is to have a rough pencil sketch and description of your idea, dated and signed by yourself and two competent

hen, are you justified in spending time and money in applying for a patent, and having proper working model built, etc. Don't rely on your own judgment in such matters,-it is of necessity greatly prejudiced, and rightly so. You, as an inventor, are in the same relative position as the mother of a new baby. Both of you undoubtedly feel that your offspring possesses all the graces, and has no bad points whatsoever. But your invention d

and you may be, but don't let their adulation turn your head to the extent of your forgetting the six tests necessary to your idea's success. If you are sick, you go to the best physician you can find; if your horse is sick, you send for a veterinarian; if you are required to go to Court, you retain a good lawyer to represent your side,-you don't try to cure yourself, or your horse, or defe

e Six Cardinal

fore the last bucketful of earth is place

cover my idea or invention by

hing just as good" for your invention. In this connection we might say that any bright attorney can find some way in which an alleged patent can be issued practically on anything, so very little dependence can be placed, as a rule, on "preliminary searches" that are furnished "free of co

vention mechanic

an invention, to have it conform to certain recognized mechanical principles, and capable of economical production through the regular trade and manufacturing cha

908, said that in his opinion Wright Brothers were working on the wrong principle with their flying machine. In Edison's opinion the machine shoul

cheaply manufactured than simila

possesses the possibility for lower cost of production than the articles it will meet in competition. If it costs more to make, it will b

ous novelty and superior merit over s

t a glance that it is "something better." In addition to that, it must have superior merit which will at once make it possible to bring about a quick sale in competition wi

nstant, public demand for m

culous to patent a process for performing one single act or function, the demand for which would cease as soon as the act or function was accomplished. To illustrate, some years ago, while building the City Hall, in Philadelphia, it was necessary to raise the enormous statue of William Penn to the top of the tower. This was quite an undertaking, a

quotation to many of us, and is especially appl

mpetition in the class to

re necessary to keep one's head above water, our advice to you would be, "Don't do it!" as it would possibly be better to "foll

rd Oil Company, or the Pennsylvania Railroad Company, or the Paper Trust, or the Bell Telephone Company, or the Moving Picture Trust, or the American Can Company, or the Baldwin Locomotive Works? Thes

end on your own judgment, as your judgment is naturally prejudiced, and will not, most likely, reflect a dependable forecast of the public attitude toward y

ED STATE

Sugg

to be short, need not be poorly done with a blunt knife. The cleverest surgeon is he who can pe

"get there quick," not only in our conversation

an on frills. Do your work under a system, and stic

ntieth Century method, fine hand

t down to the point. The swiftest r

t squander time, for that is the