Patent US1487962A successfully refreshed from Google Patents.
Patent US2358714A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2617501A Expired / Lapsed US ⏱️ 0.0 years remaining

Display device

Assignee: Montgomery Ward and Co Inc
•
Filing: 1945-12-03
•
Granted: 1952-11-11
•
Expires: 1965-12-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Frederick W Quelle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 01:18
CPC Classifications
A; A47; A47F; A47F11/00; A47F11/02; G; G09; G09F; G09F13/00

Claims Analysis

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

References Cited (Backward Citations)

US319576A Cited
US998814A Cited
US1256645A Cited
US1492327A Cited
US1865868A Cited
US1716625A Cited
US1706470A Cited
US2021347A Cited
US2145030A Cited
US2181938A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-11-11 1956-05-12 1956-11-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-11-11 1960-05-12 1960-11-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-11-11 1964-05-12 1964-11-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag