Patent US137823A successfully refreshed from Google Patents.
← Back to Patent Explorer
US137823A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in hose and pipe couplings

Assignee: —
•
Filing: —
•
Granted: 1873-04-15
•
Expires: 1890-04-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 12:44
CPC Classifications
B; B61; B61G; B61G5/00; B61G5/06; B61G5/08; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6866; Y10T137/6873

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) 1876-04-14 1876-10-14 1877-04-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1880-04-14 1880-10-14 1881-04-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1884-04-14 1884-10-14 1885-04-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag