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US2584789A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic clamping device

Assignee: International Business Machines Corp
•
Filing: 1950-03-07
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Granted: 1952-02-05
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Expires: 1970-03-07
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Abstract

No abstract record available.

Inventors

  • 👤 Lloyd K Clark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 11:15
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/02; B44B5/022; B44B5/0004; B44B5/0009; B44B5/0014

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US95344A Cited
US262369A Cited
US998274A Cited
US1065951A Cited
US1796387A Cited
US1723785A Cited
US1789892A Cited
US2038759A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-02-04 1955-08-06 1956-02-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-02-04 1959-08-06 1960-02-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-02-04 1963-08-06 1964-02-05 $7700.00 Window Closed / Lapsed

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