Patent US4760823A successfully refreshed from Google Patents.
Patent DE517136C successfully refreshed from Google Patents.
DE517136C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Drive device for paper machines consisting of several parts
Assignee: Paper Patents Co
•
Filing: 1928-07-04
•
Granted: 1931-02-02
•
Expires: 1948-07-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 13:48
CPC Classifications
D; D21; D21F; D21F7/00; D21F7/02
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.