Patent CH86720A successfully refreshed from Google Patents.
CH86720A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Apparatus for the carburization of a gas.
Assignee: Piquerez Emile
•
Filing: 1919-12-30
•
Granted: —
•
Expires: 1939-12-30
Abstract
No abstract record available.
Inventors
- 👤 Piquerez Emile
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-03 06:03
CPC Classifications
C; C10; C10J; C10J1/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.