Patent US3066909A successfully refreshed from Google Patents.
Patent US2464435A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2464435A Expired / Lapsed US ⏱️ 0.0 years remaining

Stable headrest

Assignee: Individual
•
Filing: 1946-10-10
•
Granted: 1949-03-15
•
Expires: 1966-10-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Richard J Conradt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 14:15
CPC Classifications
B; B61; B61D; B61D33/00; B61D33/0007; B61D33/005; B60; B60N; B60N2/00; B60N2/80; B60N2/882; B60N2/885; B60R; B60R11/00; B60R11/02; B60R11/0217; H; H04; H04R; H04R5/00; H04R5/02; H04R5/023; B60R2011/0001; B60R2011/0003; B60R2011/0012; B60R2011/0017; B60R2011/0042; B60R2011/0049; B60R2011/005; B60R2011/0059; B60R2011/008; B60R2011/0085

Claims Analysis

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

References Cited (Backward Citations)

US969251A Cited
US1401019A Cited
US1515467A Cited
US1864615A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-03-14 1952-09-13 1953-03-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-03-14 1956-09-13 1957-03-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-03-14 1960-09-13 1961-03-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag