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US2713235A Expired / Lapsed US ⏱️ 0.0 years remaining

Honing method and apparatus

Assignee: Individual
•
Filing: 1953-05-28
•
Granted: 1955-07-19
•
Expires: 1973-05-28
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Abstract

No abstract record available.

Inventors

  • 👤 Borzym Alexander

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 08:16
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/08; B24B19/11

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1056212A Cited
US1311937A Cited
US1654736A Cited
US1783047A Cited
US2387138A Cited
US2422418A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-07-18 1959-01-17 1959-07-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-07-18 1963-01-17 1963-07-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-07-18 1967-01-17 1967-07-19 $7700.00 Window Closed / Lapsed

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