← Back to Patent Explorer
US2575452A Expired / Lapsed US ⏱️ 0.0 years remaining

Display device

Assignee: Kindred Maclean & Co Inc
•
Filing: 1947-04-24
•
Granted: 1951-11-20
•
Expires: 1967-04-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Charles E Klein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:24
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/4204; B65D5/44; B65D5/52; B65D5/5206

Claims Analysis

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

References Cited (Backward Citations)

US1077623A Cited
US1331009A Cited
US1528361A Cited
US2055201A Cited
US2203737A Cited
US2407431A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-11-19 1955-05-21 1955-11-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-11-19 1959-05-21 1959-11-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-11-19 1963-05-21 1963-11-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag