Patent FR665325A successfully refreshed from Google Patents.
FR665325A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Vacuum rotary tube dryer with single or multiple effect heating
Assignee: Fernand Lafeuille
•
Filing: 1928-03-20
•
Granted: 1929-09-17
•
Expires: 1948-03-20
Abstract
No abstract record available.
Inventors
- 👤 Fernand Lafeuille
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 09:45
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/02; F26B11/04; F26B11/0445; F26B11/045
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.