← Back to Patent Explorer
US213635A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in refrigerating apparatus for liquids

Assignee: —
•
Filing: —
•
Granted: 1879-03-25
•
Expires: 1896-03-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 08:19
CPC Classifications
F; F28; F28D; F28D9/00; F28D9/0062; F28F; F28F3/00; F28F3/02; F28F3/04; F28F3/08; F28F3/083; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/356; Y10S165/387

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) 1882-03-24 1882-09-23 1883-03-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1886-03-24 1886-09-23 1887-03-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1890-03-24 1890-09-23 1891-03-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag