← Back to Patent Explorer
US996840A Expired / Lapsed US ⏱️ 0.0 years remaining

Mechanism for making bolts, screws, &c.

Assignee: ANTON B SPURNEY
•
Filing: 1910-06-28
•
Granted: 1911-07-04
•
Expires: 1930-06-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Fred F Deeds

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:17
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/56; B21K1/44; B21K1/46

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) 1914-07-03 1915-01-02 1915-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1918-07-03 1919-01-02 1919-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1922-07-03 1923-01-02 1923-07-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag