← Back to Patent Explorer
US1440000A Expired / Lapsed US ⏱️ 0.0 years remaining

Refrigeration

Assignee: Individual
•
Filing: 1920-05-03
•
Granted: 1922-12-26
•
Expires: 1940-05-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Charles E Bonine

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:44
CPC Classifications
F; F25; F25B; F25B27/00; F25B11/00; F25B11/02; F25B9/00; F25B9/002; F25B9/004

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) 1925-12-25 1926-06-26 1926-12-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1929-12-25 1930-06-26 1930-12-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1933-12-25 1934-06-26 1934-12-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag