FR655606A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the manufacture of artificial textile fibers
Assignee: BRYSILKA Ltd
•
Filing: 1928-06-11
•
Granted: 1929-04-22
•
Expires: 1948-06-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 10:18
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/52; D01H7/58; D01D; D01D5/00; D01D5/22; E; E04; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/24
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.