Patent CH149986A successfully refreshed from Google Patents.
CH149986A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Method and device for the uninterrupted execution of a chemical process on gases under pressure in a closed system.
Assignee: Wilhelm Robert
•
Filing: 1930-07-10
•
Granted: —
•
Expires: 1950-07-10
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Robert
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-07 19:43
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/26; B01J19/24; B01J19/2455; B01J19/2465; B01J3/00; B01J3/04
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.