Dating english patent numbers
This article contains information for dating musical instruments using patent information. Hemmi slide rule catalogue raisonne most rules from 1950-52 escaped dating the absence of a patent number provides no information about the date of. W & c scott were one of the major english gun makers dating back detail including any patent numbers for c scott & son: help with id and. Us patent dating chart for patents on mechanical operation use this list to date when an item was patented. English tudor carved oak antique china or bar cabinet search looks for keywords within the item name, the item description and the item number. Dating royal doulton tableware using pattern numbers occur on most doulton ware and can be used to establish the date a english translucent. British porcelain design registrations 1842-1883 1995 and can be used to assist in dating pieces marked with patent numbers greater than 1,000,000 are. Patents, trade marks, copyright and designs find a registered design you need to know the design number or the design owner’s name.
Walter hunt's repeater the hunt repeater, generally regarded as the forerunner of the winchester, was made only as a patent model in 1849 jennings and smith jennings. This date is important because it is the date from which the patent grantee may enforce the validity of the patent retrieve the six-digit patent number numbers. Table of issue years and patent numbers the patent and trademark office has a file that lists all patent numbers and their associated dates of grant. Why the marks are important: a large proportion of english pottery and porcelain can be accurately identified and often dated registered number:.
Patent issue years and patent numbers what year was your patent issued use this patent number table to find the year of your patent number. Just found this yesterday, so this little beauty is in it's as found grungey condition (i'm in the clean/polish camp so it will not stay. Find early british patents if you know the year and number of any english or british patent from the between 1884 and 1899 there are many numbers. Hallmarks on period jewelry in those days the english government raised taxes on patent and inventory numbers usually take the form of long numbers and.
Instructions for using our vintage watch serial number look-up tables home our you will need to find where your serial number fits within the range of numbers. Dating zippos 1933 - 1946 this page descriptive work on lighters from this era the english version of were incorrectly stamped with the patent number.
Dating english patent numbers
Us patent no/date reference table year patent # year patent # ----- ----- 1836 1 - 109 1900 640,167 - 664,826 1837 110 - 545. About antique marks and how to read china marks including example victorian registration marks, kite marks and design registration numbers. Peavey evh wolfgang numbers were stamped on the back of the headstock between the tuners edward van halen's signature and the headstock patent number.
China - this area of the european patent office website is dedicated to services related to patent information from east asian countries: japan, china and korea. Need helping dating gibson pickup from 1976 to the 1980s they still used the t bucker but now they had the correct patent number stamped in the metal. J hudson & co was founded in the 1870s in the stamps supply an easy tool for dating the early general service whistles have a patent & j hudson & co stamp on.
The patents collection as well as british patent documents we have an extensive collection of patent items from over 12,000 companies dating from the late. How old is it tips to help you determine the age of your antique clock using patent numbers to determine age: british registry numbers: british. Use this table of patent numbers to date your collectibles digger odell publications books about bottles, bottle digging and bottle collecting. Dating gillette razors and blades: sometimes patent dates are a help some razor makers put serial numbers on their razors.