Patent DE504249C successfully refreshed from Google Patents.
DE504249C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method and device for piecing dry spun synthetic threads
Assignee: ACETA GmbH
•
Filing: 1929-07-28
•
Granted: 1930-08-01
•
Expires: 1949-07-28
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Erwin Buehler
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 09:07
CPC Classifications
D; D01; D01D; D01D7/00; D01D7/02
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.