Patent US2348772A successfully refreshed from Google Patents.
Patent US3789117A successfully refreshed from Google Patents.
Patent US3423445A successfully refreshed from Google Patents.
Patent US2460196A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2460196A Expired / Lapsed US ⏱️ 0.0 years remaining

Balanced fluid motor valve

Assignee: Whitnash PLC
•
Filing: 1944-02-11
•
Granted: 1949-01-25
•
Expires: 1964-02-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Simpson John Keith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 07:47
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F15B9/12; F15B11/00; F15B11/02; F15B11/028; F15B11/036; F15B11/0365; F15B2211/00; F15B2211/30; F15B2211/32; F15B2211/321; F15B2211/325; F15B2211/326; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7055; F15B2211/7056; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87708; Y10T137/8778

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US178965A Cited
US243450A Cited
US639673A Cited
US849958A Cited
US825866A Cited
US1565767A Cited
US1588659A Cited
US1630810A Cited
US1815619A Cited
US1991902A Cited
US2085105A Cited
US2244317A Cited
US2310625A Cited
US2352344A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-01-25 1952-07-26 1953-01-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-01-25 1956-07-26 1957-01-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-01-25 1960-07-26 1961-01-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag