← Back to Patent Explorer
US1405889A Expired / Lapsed US ⏱️ 0.0 years remaining

Spar

Assignee: Individual
•
Filing: 1921-02-17
•
Granted: 1922-02-07
•
Expires: 1941-02-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Barling Walter Henry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 02:09
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/18; B64C3/185; E; E04; E04C; E04C3/00; E04C3/02; E04C3/29; E04C3/292

Claims Analysis

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

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1925-02-06 1925-08-08 1926-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1929-02-06 1929-08-08 1930-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1933-02-06 1933-08-08 1934-02-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag