FR771458A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device making letter boxes tamper-proof
Assignee: Borien
•
Filing: 1934-04-09
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Granted: 1934-10-09
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Expires: 1954-04-09
Abstract
No abstract record available.
Inventors
- 👤 Borien
- 👤 Raymond Pelloutier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 04:18
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/12; A47G29/122; A47G29/124; A47G29/1248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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