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US2624959A Expired / Lapsed US ⏱️ 0.0 years remaining

Stone digger

Assignee: Individual
•
Filing: 1950-09-11
•
Granted: 1953-01-13
•
Expires: 1970-09-11
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Abstract

No abstract record available.

Inventors

  • 👤 John A Anderson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 17:23
CPC Classifications
A; A01; A01B; A01B43/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US817662A Cited
US1209353A Cited
US1478142A Cited
US2523263A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-01-13 1956-07-14 1957-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-01-13 1960-07-14 1961-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-01-13 1964-07-14 1965-01-13 $7700.00 Window Closed / Lapsed

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