1. Sample Patents
2. Examples of Existing Patents
3. Examples of Patent Claims

Sample Patents

Sample patents give you an idea of what your patent application should look like and what patents are already in existence. If a patent is already in existence, it is grounds for the rejection of any subsequent patent that is too similar.

Examples of Existing Patents

Patent Cooperation Treaty (PCT) Application No. WO 98/20461

This international patent application protects cryptographic processing and memory resources for a postage franking machine, which prints or stamps impressions onto a piece of mail. This patent essentially increases security against any fraudulent attacks.

United States Patent No. 5,720,114

This U.S. patent is for a tool that helps position vinyl corner posts on a structure like a building or home. It was filed in 1995 by Scott J. Guerin from Yorktown Heights, N.Y. The tool is an L-shaped device so that it can easily align the vinyl corner posts.

To use this tool, you place the vinyl corner post so that it aligns with the 90-degree angle where both legs of the L meet. You then press the corner post against the structure so that the L shaped legs are evenly touching the sides of the structure. This allows the vinyl corner post to sit evenly with the corner of the home or building. It is then nailed into place.

United States Patent No. 5,186,526

This patent is for a tool called a “one-piece crawler pad.” This one-piece crawler pad is used for mining fields and mining tunnels. Because it is a necessary part of the job to move mining equipment and materials within a mine tunnel, this tool was created to help the tracks get materials from one place to another.

Before this one-piece crawler pad was invented, the track consisted of multiple crawler pads that were connected to a drive chain. With this one piece crawler pad, there is no need for multiple pads. Instead, the one piece crawler pad only requires one pin that connects to the drive chain. The benefit of this tool is that it is less likely to break off, which results in savings for repair, maintenance, and machine downtime.

Examples of Patent Claims

Patent claims are often called the heart of a patent in that they describe the confines of exactly what the patent does and does not cover. Essentially, the patent only covers exactly what the claims describe. Thus, a patent owner has the rights and can exclude anyone who uses, makes, or sells anything that fits into the claims description. On the other hand, a patent owner is not able to exclude others from using, making or selling anything that is outside the scope of what is described in the patent claim.

Here are some examples of patent claims:

  • A patent claim for a shovel – the claim describes the shovel as having an extended handle that has two ends, with a shovel head containing a blade attached to one of the ends of the extended handle.
  • A patent claim for an automobile – this claim has three distinct elements to it. It is a moving vehicle that contains:
  • A main section where bodies can sit, with wheels attached to the undercarriage to enable the automobile to roll along the ground.
  • An engine located within that main section that produces energy to make the wheels spin
  • A driving wheel or other mechanism that allows a person to control the engine’s energy to at least one of the automobile’s wheels.
  • A patent claim for a pencil – this claim describes a pencil as a tool that one holds in their hand and is used for writing. It consists of a long tool that has a core element that leaves marks when it is pushed against paper or other similar surface. The core element is mostly enclosed to (1) ensure that it does not break and (2) it makes it more convenient to hold. At one end of the tool, the core element is exposed for writing.

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