FR1102407A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
two-part safety nut
Assignee: Friedrich Doerr
•
Filing: 1954-06-16
•
Granted: 1955-10-20
•
Expires: 1974-06-16
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Doerr
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 04:15
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/36
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.