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US2098495A Expired / Lapsed US ⏱️ 0.0 years remaining

Mechanical mallet

Assignee: IND HAMMER DEV CORP
•
Filing: 1934-02-10
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Granted: 1937-11-09
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Expires: 1954-02-10
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Abstract

No abstract record available.

Inventors

  • 👤 Greenberg Harry Daniel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 23:06
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/02; A61C1/07

Claims Analysis

Total Claims: 0
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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) 1940-11-08 1941-05-10 1941-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1944-11-08 1945-05-10 1945-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1948-11-08 1949-05-10 1949-11-09 $7700.00 Window Closed / Lapsed

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