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re-patent. Indeed, patent experts of-
ten advise anyone wishing to avoid the high cost of conducting a search through live patents that
the one sure way of avoiding violation of any other inventor' s right is to plagiarize a dead patent.
Likewise , because publication of an idea in any other form permanently invalidates further patents
on that idea, it is traditionally safe to take ideas from other areas of print. Much modern techno-
logical advance is based on these presumptions of legal security.
Anyone closely involved in patents and inventions soon learns that most "new" ideas are, in
fact, as old as the hills. It is their reduction to commercial practice, either through necessity or
dedication , or through the availability of new technology, that makes news and money. The basic
patent for the theory of magnetic recording dates back to 1886. Many of the original ideas behind
television originate from the late 19th and early 20th century. Even the Volkswagen rear engine
car was anticipated by a 1904 patent for a cart with the horse at the rear.
4t . The passage is mainly about
A. an approach to patents B. the application for patents
C. the use of patents D. the access to patents
42. Which of the following is TRUE acoording to the passage?
A. When a patent becomes out of effect, it can be re-patented or extended if necessary.
B. It is necessary for an inventor to apply for a patent before he makes his invention public.
C. A patent holder must publicize the details of his invention when its legaL period is over.
D. One can get all the details of a patented invention from a library attached to the patent of-
fice .
43 . George Valensi's patent lasted until 1971 because
A. nobody would offer any reward for his patent prior to that time
B. his patent could not be put to use for an unusually long time
C. there were not enough TV stations to provide colour programmes
D. the colour TV receiver was not available until that time
44. The word "plagiarize" (line 8 , Para. 5) most probably means "_"
A. steal and use B. give reward to
C. make public D. take and change
45. From the passage we learn that
A. an invention will not benefit the inventor unless it is reduced to commercial practice
B. products are actually inventions which were made a long time ago
C. it is much che上一页 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] ... 下一页 >> |
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