← Back to Patent Explorer
FR562547A Expired / Lapsed FR ⏱️ 0.0 years remaining

Ventilation bottom for stack coolers having ventilation openings forming nozzles and arranged to prevent the formation of ice in the ventilation chamber located below the trickle chamber

Assignee: August Wendorf
•
Filing: 1923-02-22
•
Granted: 1923-11-12
•
Expires: 1943-02-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 August Wendorf

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-02 10:52
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/04

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