Patent US781427A successfully refreshed from Google Patents.
Patent FR517027A successfully refreshed from Google Patents.
FR517027A
Expired / Lapsed
FR
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Improvements to devices used to perforate paper
Assignee: Individual
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Filing: 1920-06-11
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Granted: 1921-04-29
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Expires: 1940-06-11
Abstract
No abstract record available.
Inventors
- 👤 Lennox Liddell
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 23:33
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/32; B26F1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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