Patent CA1016451A successfully refreshed from Google Patents.
CA1016451A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
In situ recovery of hydrocarbons from tar sands
Assignee: Parsons Government Services Inc
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Filing: 1974-05-03
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Granted: 1977-08-30
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Expires: 1994-05-03
Abstract
No abstract record available.
Inventors
- 👤 Charles B. Barry
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-08 20:48
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34; E21B43/40; E21B43/16; E21B43/24
Claims Analysis
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References Cited (Backward Citations)
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