← Back to Patent Explorer
FR638153A Expired / Lapsed FR ⏱️ 0.0 years remaining

Polarized resonance apparatus with a frequency properly independent of external influences

Assignee: Otto Muck
•
Filing: 1927-07-23
•
Granted: 1928-05-18
•
Expires: 1947-07-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Otto Muck

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-01 10:08
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/30; H01H51/32

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