← Back to Patent Explorer
US1672384A Expired / Lapsed US ⏱️ 0.0 years remaining

Delay mechanism

Assignee: Individual
•
Filing: 1923-03-07
•
Granted: 1928-06-05
•
Expires: 1943-03-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James A Jensen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 18:53
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/16; B21J15/18

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) 1931-06-05 1931-12-05 1932-06-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1935-06-05 1935-12-05 1936-06-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1939-06-05 1939-12-05 1940-06-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag