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Patent number:
Patent Date:
US Patent: 1,512,728
Spring Joint for Folding Rules
Spring Joint for Extension Rules
Patentee:
Charles G. Watson (
exact
or
similar
names) - Seneca Falls, NY
USPTO Classifications:
16/342
,
403/146
Tool Categories:
rules
:
folding rules
:
folding rule joints
Assignees:
Westcott Rule Co., Inc.
- Seneca Falls, NY
Manufacturer:
Not known to have been produced
Witnesses:
Philip R. Westcott
Mary E. Scott
Patent Dates:
Applied:
Feb. 03, 1922
Granted:
Oct. 21, 1924
Patent Pictures:
USPTO
(New site tip)
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