Patent US5074884A successfully refreshed from Google Patents.
Patent US4866433A successfully refreshed from Google Patents.
Patent USB459425I5 successfully refreshed from Google Patents.
← Back to Patent Explorer
USB459425I5 Expired / Lapsed US ⏱️ 0.0 years remaining

USB459425I5 - - Google Patents

Assignee: —
•
Filing: 1974-04-09
•
Granted: —
•
Expires: 1994-04-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:18
CPC Classifications
H; H03; H03K; H03K21/00; H03K23/00; H03K23/002; H03K3/00; H03K3/02; H03K3/353; H03K3/356; H03K3/356104

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US3493785A Cited
US3737673A Cited
US3745371A Cited

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