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US2592875A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and machine for shaping lobed forms

Assignee: Bryant Grinder Corp
•
Filing: 1949-02-18
•
Granted: 1952-04-15
•
Expires: 1969-02-18
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Abstract

No abstract record available.

Inventors

  • 👤 Philip C Durland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 03:32
CPC Classifications
B; B23; B23Q; B23Q27/00; B24; B24B; B24B19/00; B24B19/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1918668A Cited
GB417612A Cited
US2267250A Cited
US2189931A Cited
US2415062A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-04-15 1955-10-15 1956-04-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-04-15 1959-10-15 1960-04-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-04-15 1963-10-15 1964-04-15 $7700.00 Window Closed / Lapsed

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