FR648269A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to cardboard boxes
Assignee: Carl Wilhelm Hartmann
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Filing: 1927-12-31
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Granted: 1928-12-07
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Expires: 1947-12-31
Abstract
No abstract record available.
Inventors
- 👤 Carl Wilhelm Hartmann
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 13:16
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B2105/00; B31B2105/001
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