Patent US1666333A successfully refreshed from Google Patents.
← Back to Patent Explorer
DE414603C Expired / Lapsed DE ⏱️ 0.0 years remaining

Device for displaying the critical temperature in direct current ovens

Assignee: Alcatel Lucent Deutschland AG
•
Filing: 1921-12-17
•
Granted: 1925-05-30
•
Expires: 1941-12-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-24 08:52
CPC Classifications
C; C21; C21D; C21D11/00

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag