← Back to Patent Explorer
US556174A Expired / Lapsed US ⏱️ 0.0 years remaining

Stovepipe-coupling

Assignee: —
•
Filing: —
•
Granted: 1896-03-10
•
Expires: 1913-03-10
📄 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 2026-10-23 19:22
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/0841

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) 1899-03-10 1899-09-09 1900-03-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1903-03-11 1903-09-10 1904-03-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1907-03-11 1907-09-10 1908-03-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag