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US2922933A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic chuck

Assignee: Landis Tool Co
•
Filing: 1955-05-31
•
Granted: 1960-01-26
•
Expires: 1975-05-31
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Abstract

No abstract record available.

Inventors

  • 👤 Earl W Mouer
  • 👤 Glenn M Snyder

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 19:09
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/15; B23Q3/154; B23Q3/1546; B23Q3/152; Y; Y10; Y10T; Y10T279/00; Y10T279/23

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US974760A Cited
US1484090A Cited
DE700352C Cited
US2287286A Cited
US2179625A Cited
US2479584A Cited
US2778669A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-01-25 1963-07-27 1964-01-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-01-25 1967-07-27 1968-01-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-01-25 1971-07-27 1972-01-26 $7700.00 Window Closed / Lapsed

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