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Who made it? Tips to help you determine the maker or country of origin.

Using Patent Marks to Determine Country of Origin of Antique Clocks

A great many clocks are not marked with any patent numbers at all. Even if an item is stamped with a patent number, the nationality may not always be obvious. Here are some clues that can help determine the country of origin. These are generalizations; exceptions to the rules abound.

American patent numbers are usually associated with a “#” sign or just the abbreviation "pat." The use of a date such as "Patented June 13, 1865" normally implies that it is an American patent granted on that date.

Older German items are often marked "D.R.P." or "DR".

French items usually cite a "Brevet" (French fo "patent" ) number. If you find a mark that says "Brevet", remember that it is not the maker's name!

Italian items may be marked with "Brevetti" (Italian for "patent"). If you find a mark that says "Brevetti", remember that it is not the maker's name!

Swiss items are usually marked with a cross, as in PATENT + 338470.

A word of caution, however. Many times a clockmaker would fit a case with an imported movement. Some companies purchased clock cases from one source and movements from another and simply assembled the parts rather than making them. Establishing the country of origin of a movement by its patent marks may not reveal the country where the clock was assembled in its final form and sold (as in the case of an American clock fitted with an imported German movement.)

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The authoritative antique clocks price report. For dealers, collectors and appraisers of antique American, English and European clocks of all types. Find values for your grandfather clock, mantel or wall clock. As of May 9, 2008 we have 17,966 antique clock prices and descriptions.

The authoritative antique clocks price report. For dealers, collectors and appraisers of antique American, English and European clocks of all types. Find values for your grandfather clock, mantel or wall clock.
As of May 9, 2008 we have 17,966 antique clock prices and descriptions.