How does the USPC system handle perfecting features in patent classification?
The United States Patent Classification (USPC) system recognizes perfecting features as an important aspect of patent classification. According to MPEP 903.02(b), perfecting features are defined as follows: “Features may be added to the basic subject matter which do not change the character thereof, but do perfect it for its intended purpose; e.g., an overload release…
Read More