← Back to Patent Explorer
US172689A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in punch-holders

Assignee: —
•
Filing: —
•
Granted: 1876-01-25
•
Expires: 1893-01-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 14:09
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1207; B23B31/1253; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17564; Y10T279/17598; Y10T279/17606; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7054; Y10T403/7056

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) 1879-01-24 1879-07-26 1880-01-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1883-01-24 1883-07-26 1884-01-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1887-01-24 1887-07-26 1888-01-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag