← Back to Patent Explorer
US2803979A Expired / Lapsed US ⏱️ 0.0 years remaining

Predetermined torque release wrench

Assignee: James R Kearney Corp
•
Filing: 1954-10-04
•
Granted: 1957-08-27
•
Expires: 1974-10-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Alfred R Landis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 23:42
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/142; B25B23/1422; B25B23/1427

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US2704472A Cited
US2732747A Cited
US2731865A Cited
US2300652A Cited
US2365486A Cited
GB574346A Cited
FR1028544A Cited
US2667800A Cited
US2680982A Cited
US2679777A Cited
FR1063803A Cited
US2686446A Cited
US2662436A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-08-26 1961-02-25 1961-08-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-08-26 1965-02-25 1965-08-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-08-26 1969-02-25 1969-08-27 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag