CH304751A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Air raid shelter arranged in the ground.
Assignee: Mueller Julius
•
Filing: 1951-09-18
•
Granted: —
•
Expires: 1971-09-18
Abstract
No abstract record available.
Inventors
- 👤 Mueller Julius
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-26 03:15
CPC Classifications
E; E04; E04H; E04H9/00; E04H9/04; E04H9/10; E04H9/12
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.