type
A digit after the year indicates the type, 1 is an invention, 2 is a utility model, 3 is a design, 8 is an invention applied for by PCT, and 9 is a utility model applied for by PCT.
serial number
All numbers after year code and type code are only serial numbers. This serial number is only used as a difference and has no other purpose. The last digit, a dot and a number, is the serial number of the computer and has no special meaning.
So when you see any patent number, you can immediately know when the patent was applied, and combined with the patent protection period, you can roughly know when the patent will expire. You can also know what the types of patents are, and only invention patents are more graded.
Make up several patent numbers.
2008
1
2039483.9 is an invention patent filed in 2008. Because it usually takes three years to grant an invention patent, 2009 is definitely not yet ... In 2003, four digits were used to indicate the year of application, and before 2002, two digits were used to indicate the year.
type
A digit after the year indicates the type, 1 is an invention, 2 is a utility model, 3 is a design, 8 is an invention applied for by PCT, and 9 is a utility model applied for by PCT.
serial number
All numbers after year code and type code are only serial numbers. This serial number is only used as a difference and has no other purpose. The last digit, a dot and a number, is the serial number of the computer and has no special meaning.
So when you see any patent number, you can immediately know when the patent was applied, and you can also roughly know when the patent will expire in combination with the patent protection period. You can also know what the types of patents are, and only invention patents are more graded.
Make up several patent numbers.
2008
1
2039483.9 is an invention patent filed in 2008. Because it usually takes three years to authorize an invention patent, there will definitely be no authorization in 2009. At this time, more use will not constitute infringement.
93
2
34758.x is a utility model patent filed by 1993. Because the design patent only protects 10 years and expires in 2003, it will definitely expire in 2009. You can use it as you want, and it is impossible to infringe.
99
three
The design patent applied by 38485.0, 1999 will expire in 2009. When you see this 3, you should know that the product is only an application for a design patent, not that the patented product has unique special functions. Even in many cases, the so-called design product only applied for the design patent of the product packaging box, and the product itself has not changed.