Patent CH400526A successfully refreshed from Google Patents.
CH400526A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Metal shutters
Assignee: Bretscher & Co
•
Filing: 1963-02-20
•
Granted: —
•
Expires: 1983-02-20
Abstract
No abstract record available.
Inventors
- 👤 Bretscher Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-09 04:43
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/02; E06B9/08; E06B9/11; E06B9/15; E06B2009/1505; E06B2009/1522
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.