CH278340A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Process for the production of objects provided with a head and shaft, in particular screws, and device for carrying out the process.
Assignee: Bernhard Hatebur Fritz
•
Filing: 1949-01-30
•
Granted: —
•
Expires: 1969-01-30
Abstract
No abstract record available.
Inventors
- 👤 Bernhard Hatebur Fritz
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-06 20:05
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/44; B21K1/46
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.