FR563883A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for separating and extracting mineral oils, oil sands, bitumens, chalk, shale, coal, etc.
Assignee: Maurice-Jacques Barendson
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Filing: 1923-03-16
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Granted: 1923-12-15
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Expires: 1943-03-16
Abstract
No abstract record available.
Inventors
- 👤 Maurice-Jacques Barendson
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 14:02
CPC Classifications
C; C10; C10G; C10G1/00; C10G1/04; C10G1/047
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References Cited (Backward Citations)
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