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Patent number 443555 published 2 May 1927. [14] The patent was also applied in England [15] and Switzerland [16] in 1927. It consisted of a watch contained within a rectangular case. The timepiece own case, comprising movement, dial, winding and hand-setting mechanism, forms an autonomous unit which in turn is enclosed by a two-part metal case.
A comparatively small number of models (4,000) were the property of the Rothschild Patent Museum until 2015, when they were transferred to Hagley Museum and Library, forming a part of the museum's collection of patent models. With over 5,000 models, the Hagley's is the largest private collection, and second in size only to the Smithsonian's.
Simon Willard (April 3, 1753 – August 30, 1848) was a celebrated American clockmaker.Simon Willard clocks were produced in Massachusetts in the towns of Grafton and Roxbury, near Boston.
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Patents issued under revised numbering scheme of the Patent Act of 1836; Patent Number Patent Title Issue Date Days Since Last Millionth Issue 1 [67] Traction Wheels: July 13, 1836 1,000,000 [68] Vehicle Tire: August 8, 1911: 27,419 2,000,000 [69] Vehicle Wheel Construction: May 12, 1932: 7,583 3,000,000 [70] Automatic Reading System: May 6 ...
Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.
Between 1891 and 1916, 53 volumes of calendars were published, under the title Calendar of the Patent Rolls, covering the years 1232 to 1509. References to these volumes may be abbreviated as CPR or Cal. patent R. 1509–1547. The rolls for the reign of Henry VIII (1509–47) have not been published in a stand-alone form.
The original patent term under the 1790 Patent Act was decided individually for each patent, but "not exceeding fourteen years". The 1836 Patent Act (5 Stat. 117, 119, 5) provided (in addition to the fourteen-year term) an extension "for the term of seven years from and after the expiration of the first term" in certain circumstances, when the inventor hasn't got "a reasonable remuneration for ...