Patent FR976455A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR976455A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to piezoelectric translators

Assignee: Zenith Electronics LLC
•
Filing: 1948-12-13
•
Granted: 1951-03-19
•
Expires: 1968-12-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-24 13:49
CPC Classifications
H; H04; H04R; H04R17/00; H10; H10N; H10N30/00; H10N30/01; H10N30/04; H10N30/045; H10N30/20; H10N30/204; H10N30/2041; H10N30/2042; Y; Y10; Y10T; Y10T29/00; Y10T29/42

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