Patent US2176499A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2176499A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiwall bag of paper or other material

Assignee: HOPPE
•
Filing: 1936-11-27
•
Granted: 1939-10-17
•
Expires: 1956-11-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Hoppe Edgar
  • 👤 Johnsson Klas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:56
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/14; B65D31/142

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) 1942-10-16 1943-04-17 1943-10-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-10-16 1947-04-17 1947-10-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-10-16 1951-04-17 1951-10-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag