CH115331A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Process for the manufacture of preparations for photography.
Assignee: P Westermann Albert
•
Filing: 1924-05-27
•
Granted: —
•
Expires: 1944-05-27
Abstract
No abstract record available.
Inventors
- 👤 P Westermann Albert
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-24 11:50
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/261; G03C5/29; G03C5/30
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.