← Back to Patent Explorer
US1480155A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve-lifting device

Assignee: Manning Maxwell and Moore Inc
•
Filing: 1922-04-14
•
Granted: 1924-01-08
•
Expires: 1942-04-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Philip G Darling

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:32
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K15/00; F16K15/02; F16K15/025; F16K15/18; F16K15/182; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7876; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7939

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) 1927-01-07 1927-07-09 1928-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1931-01-07 1931-07-09 1932-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1935-01-07 1935-07-09 1936-01-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag