If an Invention Was Known or Used by Others in This

question 383

Multiple Choice

If an invention was known or used by others in this country, or patented or described in a printed publication in this or a foreign country, before the invention thereof by the applicant for patent then:

• A) the invention can only be patented for 10 years
• B) the invention can only be patented for 5 years
• C) the invention cannot be patented without a 5 year grace period
• D) the invention can only be patented in some states
• E) none of the other choices are correct

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Definitions:

Tonic Receptors

Sensory receptors that respond to stimuli over a prolonged period, maintaining the perception of a sensation.

Action Potential

A quick, temporary change in the electrical charge of a cell's membrane, leading to the transmission of nerve impulses.

Gate Control Theory

A theory positing that pain signals encounter nerve gates at the spinal cord level that can block or allow the sensation of pain to travel to the brain.

Lateral Spinothalamic Tract

A pathway in the spinal cord that transmits pain and temperature sensations to the brain.