Patent DE404696C successfully refreshed from Google Patents.
DE404696C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
still
Assignee: JOH MAC LANG
•
Filing: 1923-01-21
•
Granted: 1924-10-25
•
Expires: 1943-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 14:38
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/02
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.