DE974181C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method for producing a prestressed reinforced concrete ceiling for roadways or the like.
Assignee: Individual
•
Filing: 1954-07-08
•
Granted: 1960-10-06
•
Expires: 1974-07-08
Abstract
No abstract record available.
Inventors
- 👤 Josef Dipl-Ing Kloepfer
- 👤 Karl Heinz Vogt
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 17:41
CPC Classifications
E; E01; E01C; E01C7/00; E01C7/08; E01C7/10; E01C7/14; E01C7/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.