Patent US1666915A successfully refreshed from Google Patents.
DE439554C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Ramp system for multi-storey car houses
Assignee: INGENIEURE DR
•
Filing: 1924-06-01
•
Granted: 1927-01-12
•
Expires: 1944-06-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 01:18
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/08; E04H6/10
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.