Invention Of Rubber Eraser

This patent was later held to be invalid because it was merely the combination of two things without a new use.

Invention of rubber eraser. An eraser also called a rubber in commonwealth countries from the material first used is an article of stationery that is used for removing marks from paper or skin e g. Rubber eraser day celebrates the invention of erasers. The development went on as different people tried to make the most of the eraser. Edward nairne was born on 1st january 1726 and was a skilled english maker of electrical machines.

An eraser for anyone. When we make a mistake they are the big cover up make that eraser of our booboo or faux pax. It is known as eraser in the united states and canada and as rubber in the uk india ireland south africa australia and new zealand. An eraser is an object used to remove pencil markings.

This day is designated to recognize and appreciate the value of that little plug as manufacturers call them that sits atop our pencils. The early rubber erasers were perishable and they didn t become commonly used until after 1839 when charles goodyear discovered vulcanization to make rubber more durable. Parchment or vellum erasers have a rubbery consistency and come in a variety of shapes sizes and colours. The first patent for attaching an eraser to a pencil was issued in 1858 to a man from philadelphia named hyman lipman.

The pencil eraser was invented by hymen l. Hymen lipman received the first patent for attaching an eraser to the end of a pencil in 1858. Before the invention of the rubber eraser people used breadcrumbs or crusts of bread for this. 88 years after the invention of rubber eraser another man made a breakthrough invention using the rubber eraser.

Erasers are made in different shapes sizes and colors and from various materials. With the better rubber available erasers became quite common. We all make mistakes. Some pencils have an eraser on one end.

Less expensive erasers are made from synthetic rubber and synthetic soy.