FR679332A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Heating ramp for ovens used in hair treatments, in particular in those with a view to obtaining the permanent waviness
Assignee: Guillaume Ducart
•
Filing: 1928-12-07
•
Granted: 1930-04-11
•
Expires: 1948-12-07
Abstract
No abstract record available.
Inventors
- 👤 Guillaume Ducart
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 08:11
CPC Classifications
A; A45; A45D; A45D4/00; A45D4/16
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.