← Back to Patent Explorer
US452678A Expired / Lapsed US ⏱️ 0.0 years remaining

Water-gage

Assignee: —
•
Filing: —
•
Granted: 1891-05-19
•
Expires: 1908-05-19
📄 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 2026-11-09 22:26
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/022; A61B5/0235; A61M; A61M5/00; A61M5/007; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6154; Y10T137/7722; Y10T137/7837; Y10T137/7876; Y10T137/8593; Y10T137/877; Y10T137/87829; Y10T137/87901; Y10T137/87917; Y10T137/88054

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) 1894-05-18 1894-11-17 1895-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1898-05-18 1898-11-17 1899-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1902-05-19 1902-11-18 1903-05-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag