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Year Year. Collection Collection. Creator Creator. Language Language. The OCR that Google Patents originates has been edited to make this patent full-text-searchable and easy to read. There are 3 formats available:. See the "all files HTTP" link to access all three; also go there to read the. During the editing process, a diligent attempt has been made to correctly discern every reference character, date, measurement, etc.

Topic: patent. See the "all files HTTP" link to access all three. During the editing process, a diligent attempt has been made to correctly discern every reference character set forth in the patent, and the majority by far are correct. However, because the Topics: burglar alarm, patent. Topics: blowpipe, blast furnaces, patent. Topics: broom head, patent. This patent was taken from the Google Patents database. The OCR that Google originates has been edited.

However, because the OCR