Patent US2263097A successfully refreshed from Google Patents.
Patent US1424243A successfully refreshed from Google Patents.
Patent DE456372C successfully refreshed from Google Patents.
DE456372C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Fitting fan with adjustable connection socket
Assignee: Individual
•
Filing: —
•
Granted: 1928-02-21
•
Expires: 1945-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 05:00
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/64; F04D29/644; F04D29/646
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.