McDonald has invented a machine that harvests corn in the field, automatically shucks the corn from the husk, and peels the kernels from the cob, separating everything for easy disposal or further use. Assuming that all requirements are met for a patent, the length of his patent protection will be .a. 14 years from the completion of the invention. b. 20 years from the completion of the invention. c. 14 years from the filing of the application with the U. S. Patent and Trade Office. d. 20 years from the filing of the application with the U. S. Patent and Trade Office.

Correct option is (d)

Explanation:

Utility patent is granted to protect an innovation from being copied by others. Utility patent is granted to protect the functionality or usage of the product while design patent is granted to protect the way the product looks like its appearance or ornamentation.

Utility patent is granted for 20 years from the date the application is file with the US trade office while design patent is granted for 14 years from the date of invention.

Here, McDonald's invention is granted utility patent that protects the product for 20 years from the date application is filed with the US patent office.

answer; i believe the correct answer is (form utility); good luck

answer; importance to people; or acceptance;