← Back to Patent Explorer
US826154A Expired / Lapsed US ⏱️ 0.0 years remaining

Welded pipe-flange.

Assignee: Crane Co
•
Filing: 1904-04-01
•
Granted: 1906-07-17
•
Expires: 1924-04-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 William W Doolittle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 02:02
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/14; F16L13/147; E; E21; E21B; E21B43/00; E21B43/02; E21B43/10; E21B43/103; E21B43/106; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994

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) 1909-07-16 1910-01-15 1910-07-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1913-07-16 1914-01-15 1914-07-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1917-07-16 1918-01-15 1918-07-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag