← Back to Patent Explorer
US2815989A Expired / Lapsed US ⏱️ 0.0 years remaining

Brush handle lock

Assignee: Individual
•
Filing: 1954-05-04
•
Granted: 1957-12-10
•
Expires: 1974-05-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Joseph J Mccrink

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:38
CPC Classifications
B; B25; B25G; B25G3/00; B25G3/02; B25G3/12; B25G3/30; F; F16; F16B; F16B2200/00; F16B2200/69; F16B2200/73

Claims Analysis

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

References Cited (Backward Citations)

US1134076A Cited
US1402485A Cited
GB417964A Cited
US2163979A Cited
FR1030474A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-12-09 1961-06-10 1961-12-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-12-09 1965-06-10 1965-12-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-12-09 1969-06-10 1969-12-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag