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US2683922A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making clamping rings

Assignee: Motors Liquidation Co
•
Filing: 1952-01-14
•
Granted: 1954-07-20
•
Expires: 1972-01-14
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Abstract

No abstract record available.

Inventors

  • 👤 Forest L Zion

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 10:01
CPC Classifications
B; B21; B21F; B21F37/00; B21F37/02; F; F16; F16B; F16B21/00; F16B21/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49794

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US254559A Cited
US327743A Cited
US370832A Cited
US373515A Cited
US389144A Cited
US432365A Cited
US473943A Cited
US879925A Cited
US1377266A Cited
DE434495C Cited
US2566448A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-07-19 1958-01-18 1958-07-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-07-19 1962-01-18 1962-07-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-07-19 1966-01-18 1966-07-20 $7700.00 Window Closed / Lapsed

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