← Back to Patent Explorer
US1397293A Expired / Lapsed US ⏱️ 0.0 years remaining

Engraving-block

Assignee: Individual
•
Filing: 1919-03-06
•
Granted: 1921-11-15
•
Expires: 1939-03-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Plummer Horace

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 02:49
CPC Classifications
B; B44; B44B; B44B3/00; B44B3/06; B44B3/065; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1913

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) 1924-11-14 1925-05-16 1925-11-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1928-11-14 1929-05-16 1929-11-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1932-11-14 1933-05-16 1933-11-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag