Patent US4328644A successfully refreshed from Google Patents.
Patent US4927931A successfully refreshed from Google Patents.
Patent FR377273A successfully refreshed from Google Patents.
FR377273A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Continuous diffuser-defecator for all applications
Assignee: ARISTIDE FRANCOIS DUMOUCHEL
•
Filing: 1907-04-29
•
Granted: 1907-09-03
•
Expires: 1927-04-29
Abstract
No abstract record available.
Inventors
- 👤 Aristide-Francois Dumouchel
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 17:45
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/023
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.