Dating english patent numbers
Each patent family is grouped around a Basic patent, which is usually the first published example of the invention.
Example: Patent 748460's title should be BULLET-MOLD, instead google lists it as BULLET-IVIOLD.By using the information below you can find the date a design was registered. Remember this date is just when the design was registered.An item with a registry mark or number could have been produced before (less likely as the design would not be protected), or after the date of the registry mark.Compiled in English by editorial staff, the database provides a short abstract detailing the nature and use of the invention described in a patent and is indexed into alphanumeric technology categories to allow retrieval of relevant patent documents by users.Each record within the database defines a patent family, the grouping of patent documentation recorded at the various patent offices as protection of an invention is sought around the world.The simplest search is where you already know the patent number. The next simplest search is when you are looking for a tool patent that has already been entered into
Datamp stands for Directory of American Tool and Machinery Patents.
Still this is better than the limited searching available at the US Patent site.
Starting in 1842, England has offered registration of it's decorative designs for pottery, china, wood, paper, pottery, china, porcelain, glass and more.
The 'lozenge' mark used between 18 to certify the patent of the models registered by the UK Patent Office allows the identification of day, month and year of their registration.
Patent searching on the web Note that recently the patent office switched the way it displays patent images. You probably won't need a special plug in to dispaly the image as you did in the past.
Some university subscribed databases also cover patent information.