← Back to Patent Explorer
US1093822A Expired / Lapsed US ⏱️ 0.0 years remaining

Shaft-coupling.

Assignee: Armstrong Blum Manufacturing Co
•
Filing: 1912-07-03
•
Granted: 1914-04-21
•
Expires: 1932-07-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George J Blum

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 18:26
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/40; B; B25; B25G; B25G3/00; B25G3/02; B25G3/12; B25G3/26; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079

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) 1917-04-20 1917-10-20 1918-04-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1921-04-20 1921-10-20 1922-04-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1925-04-20 1925-10-20 1926-04-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag