Patent FR606583A successfully refreshed from Google Patents.
FR606583A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Mechanical pencil with elastic ball joint lead
Assignee: Edmond Lefevre
•
Filing: 1925-02-25
•
Granted: 1926-06-16
•
Expires: 1945-02-25
Abstract
No abstract record available.
Inventors
- 👤 Edmond Lefevre
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 16:03
CPC Classifications
B; B43; B43K; B43K21/00; B43K21/02; B43K21/16
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.