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US2741071A Expired / Lapsed US ⏱️ 0.0 years remaining

Sizing device for honing apparatus

Assignee: Individual
•
Filing: 1955-10-05
•
Granted: 1956-04-10
•
Expires: 1975-10-05
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Abstract

No abstract record available.

Inventors

  • 👤 Glen M Calvert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-10 01:45
CPC Classifications
B; B24; B24B; B24B33/00; B24B33/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1783019A Cited
US1918198A Cited
US2318830A Cited
US2251607A Cited
US2308356A Cited
US2284325A Cited
US2403546A Cited
US2402142A Cited
GB613962A Cited
US2455347A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-04-10 1959-10-10 1960-04-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-04-10 1963-10-10 1964-04-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-04-10 1967-10-10 1968-04-10 $7700.00 Window Closed / Lapsed

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