Patent US55336A successfully refreshed from Google Patents.
Patent DE691306C successfully refreshed from Google Patents.
DE691306C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Shoe insert designed as an orthopedic footrest
Assignee: Individual
•
Filing: 1935-07-31
•
Granted: 1940-05-22
•
Expires: 1955-07-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 20:53
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/1415; A43B7/1425; A43B7/1435; A43B7/1445
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.