← Back to Patent Explorer
US1665805A Expired / Lapsed US ⏱️ 0.0 years remaining

Hollow punch

Assignee: GEORGE B CADY
•
Filing: 1927-07-27
•
Granted: 1928-04-10
•
Expires: 1947-07-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Frank J Walter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 15:36
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/32; B26F1/36; Y; Y10; Y10T; Y10T83/00; Y10T83/828; Y10T83/869; Y10T83/8776; Y10T83/8785; Y10T83/8821; Y10T83/8854; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/9428

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) 1931-04-10 1931-10-10 1932-04-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1935-04-10 1935-10-10 1936-04-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1939-04-10 1939-10-10 1940-04-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag