← Back to Patent Explorer
US2775944A Expired / Lapsed US ⏱️ 0.0 years remaining

Fuel supply system for vehicle heater

Assignee: Stewart Warner Corp
•
Filing: 1953-10-26
•
Granted: 1957-01-01
•
Expires: 1973-10-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Frank A Ryder
  • 👤 Samuel I Wendell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 07:48
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/22; B60H1/2203; B60H2001/2268; B60H2001/2284

Claims Analysis

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

References Cited (Backward Citations)

US1667559A Cited
US2381594A Cited
US2670033A Cited
US2630102A Cited
US2568107A Cited
US2702590A Cited
US2652780A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-01 1960-07-02 1961-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-01 1964-07-02 1965-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-01 1968-07-02 1969-01-01 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag