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US2266034A Expired / Lapsed US ⏱️ 0.0 years remaining

Correcting out-of-roundness in annular bodies

Assignee: Heald Machine Co
•
Filing: 1938-07-08
•
Granted: 1941-12-16
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Expires: 1958-07-08
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Abstract

No abstract record available.

Inventors

  • 👤 Roger N Heald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:11
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49718; Y10T29/49732; Y10T29/49764; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2562

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1944-12-15 1945-06-16 1945-12-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-12-15 1949-06-16 1949-12-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-12-15 1953-06-16 1953-12-16 $7700.00 Window Closed / Lapsed

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