According to an internet search, from the earliest known patent (1714) to the first known working model (1808), would be 94 years!
Around 24 hours.
Around a week
it will stay in your system for around 30 days
You can stay on for as long as you like but if you don't keep moving your character around and leave your character there for a while then it will disconnect you.
around 9 months
around three days
around 28 days.
around a year
The typewriter was invented by Christopher Sholes in 1868, so I imagine not too long after that people began to use them.
Around 7-8 days.
Around 3 months.
Meow would normally stay in your body for around 3 weeks but if you have a addiction it will stay there for about a month after stopping