Patent DE742075C successfully refreshed from Google Patents.
DE742075C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Expansion device, especially for wet knitted and knitted hoses
Assignee: Individual
•
Filing: 1941-05-06
•
Granted: 1943-11-22
•
Expires: 1961-05-06
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Conzelmann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 17:53
CPC Classifications
D; D06; D06C; D06C5/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE49986C
Cited
DE297240C
Cited
DE222776C
Cited
US1636683A
Cited
US2189166A
Cited
US2110520A
Cited
DE689671C
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.