DIFFERENT TYPES OF PATENTS
There are two major types of patents issued by the United States Patent & Trademark Office, namely, utility patents and dsign patents. A utility patent protects the function of an invention. The term of a utility patent is 20 years from the date of filing.
A design patent protects the overall appearance of an invention and is granted for any newm original, and ornamental design for an article. The term of a design patent is 14 years from the date of issuance.
If you are interested in obtaining patent protection with the United States Patent & Trademark Office, I would suggest you consult with a patent attorney, who can assist you in the complex process of protecting your intellectual property rights.