US Patent: 1,307,451 - Screw Thread Gage


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US Patent: 1,307,451

Screw Thread Gage

Patentee:

Riley Herbert Parker (exact or similar names) - Winthrop, Suffolk County, MA

USPTO Classifications:

33/199R

Tool Categories:

metalworking tools : machinist tools : measuring tools

Assignees:

Gillette Safety Razor Co. - Boston, Suffolk County, MA

Manufacturer:

Not known to have been produced

Witnesses:

none listed

Patent Dates:
Applied:	Nov. 01, 1918
Granted:	Jun. 24, 1919

Patent Pictures:

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Description:

E. D. Chadwick, patent attorney

I claim:

1. A screw thread gage comprising a body portion provided with two peep holes, and two abutments carried by the body portion and each located in line with one of the peep holes, said abutments being shaped and spaced to simultaneously fit a screw thread cut to a predetermined standard.

2. A screw thread gage comprising a body portion provided with two peep holes, and a plate detachably secured to the body portion and carrying two abutments each located in line with one of the peep holes, go said abutments being shaped and spaced to simultaneously fit a screw thread cut to a predetermined standard.