← Back to Patent Explorer
US1797323A Expired / Lapsed US ⏱️ 0.0 years remaining

Process and apparatus for inking embossed work

Assignee: Individual
•
Filing: 1929-12-09
•
Granted: 1931-03-24
•
Expires: 1949-12-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Melville W Canfield

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 07:04
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/02; Y; Y10; Y10S; Y10S118/00; Y10S118/15

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) 1934-03-23 1934-09-22 1935-03-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1938-03-23 1938-09-22 1939-03-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1942-03-23 1942-09-22 1943-03-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag