Patent US5563829A successfully refreshed from Google Patents.
Patent DE724708C successfully refreshed from Google Patents.
DE724708C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Double apron stretching system
Assignee: Individual
•
Filing: 1939-03-22
•
Granted: 1943-10-16
•
Expires: 1959-03-22
Abstract
No abstract record available.
Inventors
- 👤 Ernst Toenniessen
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 01:47
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/86; D01H5/88
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.