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US2704472A Expired / Lapsed US ⏱️ 0.0 years remaining

Mined torque release means

Assignee: —
•
Filing: —
•
Granted: 1955-03-22
•
Expires: 1972-03-22
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:15
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/142; B25B23/1422; B25B23/1427

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE717570C Cited
US2365486A Cited
US2442359A Cited
DE820275C Cited
US2686446A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-03-21 1958-09-20 1959-03-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-03-21 1962-09-20 1963-03-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-03-21 1966-09-20 1967-03-22 $7700.00 Window Closed / Lapsed

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