← Back to Patent Explorer
US1045404A Expired / Lapsed US ⏱️ 0.0 years remaining

Air-valve.

Assignee: General Electric Co
•
Filing: 1904-12-23
•
Granted: 1912-11-26
•
Expires: 1924-12-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Alban Hottenroth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 11:47
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/147; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882; Y10T137/7883

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) 1915-11-26 1916-05-27 1916-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1919-11-26 1920-05-27 1920-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1923-11-26 1924-05-27 1924-11-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag