← Back to Patent Explorer
US2613731A Expired / Lapsed US ⏱️ 0.0 years remaining

Headrest

Assignee: Individual
•
Filing: 1949-11-30
•
Granted: 1952-10-14
•
Expires: 1969-11-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John S Roginski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:14
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/38; A47C7/383; B; B60; B60N; B60N2/00; B60N2/80; B60N2/882

Claims Analysis

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

References Cited (Backward Citations)

DE140204C Cited
US48586A Cited
US418004A Cited
US570208A Cited
US792669A Cited
US1565514A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-10-14 1956-04-14 1956-10-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-10-14 1960-04-14 1960-10-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-10-14 1964-04-14 1964-10-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag