Patent US5600580A successfully refreshed from Google Patents.
Patent US2061972A successfully refreshed from Google Patents.
Patent FR1146818A successfully refreshed from Google Patents.
FR1146818A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to processes for preparing nitrocellulose-based pyrotechnics
Assignee: Hispano Suiza S A Tanger
•
Filing: 1956-02-15
•
Granted: 1957-11-15
•
Expires: 1976-02-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 20:55
CPC Classifications
C; C06; C06B; C06B25/00; C06B25/18; C06B25/24; C06B23/00; C06B23/006
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.