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US2606347A Expired / Lapsed US ⏱️ 0.0 years remaining

Investing machine

Assignee: Individual
•
Filing: 1949-11-25
•
Granted: 1952-08-12
•
Expires: 1969-11-25
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Abstract

No abstract record available.

Inventors

  • 👤 Ernest L Hildreth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:39
CPC Classifications
B; B22; B22D; B22D13/00; B22D13/06; A; A61; A61C; A61C13/00; A61C13/20; B22C; B22C7/00; B22C7/02; B29; B29C; B29C33/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1325004A Cited
US1124099A Cited
US2009489A Cited
US2037618A Cited
US2147103A Cited
US2435227A Cited
US2385631A Cited
US2359524A Cited
US2482257A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-08-12 1956-02-11 1956-08-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-08-12 1960-02-11 1960-08-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-08-12 1964-02-11 1964-08-12 $7700.00 Window Closed / Lapsed

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