← Back to Patent Explorer
US2814488A Expired / Lapsed US ⏱️ 0.0 years remaining

Bag lifter and opener

Assignee: TRESCOTT CO Inc
•
Filing: 1954-06-24
•
Granted: 1957-11-26
•
Expires: 1974-06-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Richard F Kipers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 16:04
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/12; B65B43/14; B65B43/16; B65B43/18

Claims Analysis

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

References Cited (Backward Citations)

US1715358A Cited
US2247787A Cited
US2341521A Cited
US2528997A Cited
US2737389A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-11-25 1961-05-27 1961-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-11-25 1965-05-27 1965-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-11-25 1969-05-27 1969-11-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag