DE258509C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
DE258509C - - Google Patents
Assignee: —
•
Filing: 1912-10-30
•
Granted: 1913-04-09
•
Expires: 1932-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 15:48
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/01; B01D29/11; B01D29/31; B01D29/35
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.