Patent CH166805A successfully refreshed from Google Patents.
CH166805A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Process for the production of paper, cardboard or the like from pulp.
Assignee: Int Bitumen Emulsions Corp
•
Filing: 1932-08-19
•
Granted: —
•
Expires: 1952-08-19
Abstract
No abstract record available.
Inventors
- 👤 Corporation Internat Emulsions
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-08 13:31
CPC Classifications
D; D21; D21H; D21H25/00; D21H25/04; D21H25/06
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.