Patent US2551044A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2551044A Expired / Lapsed US ⏱️ 0.0 years remaining

Bag closure

Assignee: Bemis Brothers Bag Co
•
Filing: 1948-07-12
•
Granted: 1951-05-01
•
Expires: 1968-07-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 August F Ottinger
  • 👤 Charles V Brady

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:42
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/28

Claims Analysis

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

References Cited (Backward Citations)

US1732266A Cited
US2147772A Cited
US2364903A Cited
US2390423A Cited
US2392221A Cited
US2393151A Cited
US2391674A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-04-30 1954-10-30 1955-05-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-04-30 1958-10-30 1959-05-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-04-30 1962-10-30 1963-05-01 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag