Patent US2399088A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2399088A Expired / Lapsed US ⏱️ 0.0 years remaining

Expansion valve

Assignee: AUTOMATIC PRODUCTS CO
•
Filing: 1941-12-19
•
Granted: 1946-04-23
•
Expires: 1961-12-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Vernon R Andrews

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 03:27
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/30; F25B41/31; F25B41/33; F25B41/335; F25B2600/00; F25B2600/21

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) 1949-04-22 1949-10-22 1950-04-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1953-04-22 1953-10-22 1954-04-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1957-04-22 1957-10-22 1958-04-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag