Patent US2667996A successfully refreshed from Google Patents.
Patent CH240189A successfully refreshed from Google Patents.
CH240189A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Pipe wall for steam boiler firing.
Assignee: Ag Bata
•
Filing: 1944-04-18
•
Granted: —
•
Expires: 1964-04-18
Abstract
No abstract record available.
Inventors
- 👤 Ag Bata
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-30 18:49
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/101; F22B37/102
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.