DE831985C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Closure, especially for connecting two tracks
Assignee: HERMANN TEICHMANN DR
•
Filing: 1950-04-13
•
Granted: 1952-02-18
•
Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Dr Hermann Teichmann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 08:39
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/56; B29C65/58; A; A44; A44B; A44B19/00; A44B19/10; A44B19/14; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/47; B29C66/474
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.