Patent US2829972A successfully refreshed from Google Patents.
Patent CH320677A successfully refreshed from Google Patents.
CH320677A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Metal strips for producing dowels that can be used in masonry holes
Assignee: Heim Emil
•
Filing: 1953-06-22
•
Granted: —
•
Expires: 1973-06-22
Abstract
No abstract record available.
Inventors
- 👤 Schriber Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-24 08:35
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/02
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.