Patent FR322399A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR322399A Expired / Lapsed FR ⏱️ 0.0 years remaining

Heat or cold accumulator-recuperator system

Assignee: DUMAS ANTOINE
•
Filing: 1902-06-24
•
Granted: 1903-02-04
•
Expires: 1922-06-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dumas Antoine Dumas-Gardeux

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-08 01:23
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/025

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