DE691144C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Closure for pressure vessels
Assignee: Krupp Stahl AG
•
Filing: 1936-01-03
•
Granted: 1940-05-17
•
Expires: 1956-01-03
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Albert F Maier
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 21:54
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02
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.