← Back to Patent Explorer
US931327A Expired / Lapsed US ⏱️ 0.0 years remaining

Drill-chuck.

Assignee: MARY A MANZEL
•
Filing: 1908-03-13
•
Granted: 1909-08-17
•
Expires: 1928-03-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Charles W Manzel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:30
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/113; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17888; Y10T279/34; Y10T279/3406; Y10T403/00; Y10T403/70; Y10T403/7005; Y10T403/7007

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) 1912-08-16 1913-02-15 1913-08-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1916-08-16 1917-02-15 1917-08-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1920-08-16 1921-02-15 1921-08-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag