Patent US2737730A successfully refreshed from Google Patents.
FR17609E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Rotating heel
Assignee: Individual
•
Filing: 1913-04-29
•
Granted: 1913-10-13
•
Expires: 1933-04-29
Abstract
No abstract record available.
Inventors
- 👤 Louis Duc
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 19:30
CPC Classifications
A; A43; A43B; A43B21/00; A43B21/36; A43B21/42; A43B21/433
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.