← Back to Patent Explorer
US2527084A Expired / Lapsed US ⏱️ 0.0 years remaining

Refrigerator closure with hydraulic seal

Assignee: Maytag Corp
•
Filing: 1946-11-01
•
Granted: 1950-10-24
•
Expires: 1966-11-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Thomas R Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 13:09
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/08; F25D23/082; F25D23/087; F25D25/00; F25D25/02; F25D25/024; F25D25/025

Claims Analysis

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

References Cited (Backward Citations)

US520226A Cited
US658588A Cited
US1710439A Cited
US1800085A Cited
GB420894A Cited
US2125444A Cited
US2301963A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-10-23 1954-04-24 1954-10-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-10-23 1958-04-24 1958-10-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-10-23 1962-04-24 1962-10-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag