US Patent: 1,690,832
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| Combination Paper-Cutting Tool, Rule, and Drafting and Measuring Instrument
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Patentee:
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| Ira J. Owen (exact or similar names) - Grand Rapids, MI |
| Manufacturer: |
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B. & B. - St. Paul, MN |
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Patent Dates:
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| Applied: |
Nov. 24, 1924 |
| Granted: |
Nov. 06, 1928 |
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Patent Pictures:
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Russ Allen.
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Description: |
| Symmetrical halves with a friction hinge utilizing a spring washer and a stop to allow the two legs to form a 90 degree angle after being rotated 270 degrees. Staggered perforations for using a pencil point for drafting purposes.
Known examples are made of brass. Markings observed around the hinge:
THE COMMERCIAL PRESS/PRINTING/TEL.3905/FITCHBURG, MASS.
CLEMSON BROS., INC. MIDDLETOWN, NY with STAR HACK SAWS in a star centered in on the hinge.
BEN-HUR CRAWFORDSVILLE IND LEGAL RESERVE LIFE INSURANCE (see the last picture)
The maker, patent no., and Made in USA on the hinge on the front side on these examples.
This was sold as a promotional item and so we have seen various random names printed on the rule and those names don't imply that they manufactured the rule. |
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