← Back to Patent Explorer
US2754092A Expired / Lapsed US ⏱️ 0.0 years remaining

Metallic hand railing

Assignee: Individual
•
Filing: 1953-03-27
•
Granted: 1956-07-10
•
Expires: 1973-03-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Leroy W Cremens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 01:08
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/181

Claims Analysis

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

References Cited (Backward Citations)

US1772159A Cited
US1796175A Cited
US2427723A Cited
US2431546A Cited
US2590929A Cited
US2517959A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-07-10 1960-01-09 1960-07-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-07-10 1964-01-09 1964-07-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-07-10 1968-01-09 1968-07-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag