Patent DE1019986B successfully refreshed from Google Patents.
DE1019986B
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Extension frame for moving pit construction
Assignee: EWALD WIEMANN MASCHF
•
Filing: 1952-05-20
•
Granted: —
•
Expires: 1972-05-20
Abstract
No abstract record available.
Inventors
- 👤 Ewald Wilhelm Wiemann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 15:13
CPC Classifications
E; E21; E21D; E21D15/00; E21D15/58; E21D15/585; E21D15/586; E21D23/00; E21D23/006; E21D23/0069
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.