FR532572A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Flow switch for pulverized fuel
Assignee: Jacques Maisonneuve
•
Filing: 1921-03-22
•
Granted: 1922-02-07
•
Expires: 1941-03-22
Abstract
No abstract record available.
Inventors
- 👤 Jacques Maisonneuve
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 20:19
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/54; B65D90/58; B65D90/587; G; G05; G05D; G05D7/00; G05D7/01; G05D7/018
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.