← Back to Patent Explorer
FR498218A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to elements for electric heating

Assignee: DOWSING RADIANT HEAT Co Ltd
•
Filing: 1917-10-19
•
Granted: 1920-01-06
•
Expires: 1937-10-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Herbert John Dowsing

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 22:29
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/002; H05B2203/003; H05B2203/004; H05B2203/017; H05B2203/036

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