Patent Information found on antique bottles can be an excellent source of information to help you date your bottle and find out information on the history of the bottle manufacturer and their design. By far the easiest way to make use of patent information is to check the patent number on your bottle with the following patent date chart. It can quickly give you an approximate date when the patent was issued, and thus some idea of when the object was made. Patent copies are the diagrams and text that an inventor submitted to receive his or her patent. They contain scaled drawings of the invention or design along with a detailed description of the construction and function. The sample patent provided here shows the invention of a measured dose cap fitted as a closure to this unusual but somewhat common lateth century John Wyeth pharmaceutical bottle.
The first thing to check are serial number charts. Serial number charts are only available for a handful of manufacturers though. Usually for the ones that kept accurate records. That would be Omega , Longines , Rolex , Zenith , etc. High-end brands like Patek Philippe or Vacheron Constantin kept and still keep excellent records.
Manual of Classification Classification Definitions U. This handy chart from the U. Patent and Trademark is helpful. Remember, even though patents have been issued since , numbered patents only started in Prior to that date, 9, patents had been issued.
How to cite a patent or patent application varies depending on the style manual required by each journal or discipline. Petrovick, P. Antiulcerogenic Preparation from Maytenus ilicifolia and Obtaintion Process. Patent PI , March 6,