Patent Number (Identification)
- This field contains the patent or copyright number obtained by the manufacturer for the invention and/or manufacturing process for the object.
- The patent number is the number assigned to an object by the patent office in the country in which it was manufactured or marketed. The patent holder has the exclusive right to manufacture, use or market an invention in the country in which the object was patented.1
- The patent number consists of a group of numbers, and is often preceded by the letters "PAT".
A Ruhmkorff coil bearing the inscription "PAT: 1309857" on the
| || Object Name||Ruhmkorff coil|
- The patent number is marked on the nameplate affixed to the object.
- Enter the whole patent number, making sure to respect the punctuation.
A battery patented on April 12, 1903, in Canada, bearing patent
| || Object Name|| battery|
|Patent Number|| 564982|
| || Patent Date|| 1903-04-12|
| ||Patent Country|| Canada|
- This field may contain multiple entries separated by a semicolon followed by a space. They should be entered in the order in which they are shown on the nameplate.
A sewing machine in which two patented parts were used. The
nameplate shows the patent numbers in this order: 1149314, July
23, 1983, and 1149309, July 5, 1983.
| || Object Name||sewing machine|
|Patent Number||1149314; 1149309|
| || Patent Date|| 1983-07-23; 1983-07-05|
- You can consult the Patent Office to confirm your information. The database on Canadian patents is accessible through the Website of the Canadian Intellectual Property Office (http://cipo.gc.ca) [Information up to date as of June 20, 2006].