← Back to Patent Explorer
US2168549A Expired / Lapsed US ⏱️ 0.0 years remaining

Core fin binder strip

Assignee: Individual
•
Filing: 1937-05-28
•
Granted: 1939-08-08
•
Expires: 1957-05-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Fred M Young

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 16:49
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/32; B; B21; B21D; B21D39/00; B21D39/03; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/469

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) 1942-08-07 1943-02-06 1943-08-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-08-07 1947-02-06 1947-08-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-08-07 1951-02-06 1951-08-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag