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US2960230A Expired / Lapsed US ⏱️ 0.0 years remaining

Shovel-type hand tool for sifting light material

Assignee: Individual
•
Filing: 1957-12-20
•
Granted: 1960-11-15
•
Expires: 1977-12-20
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Abstract

No abstract record available.

Inventors

  • 👤 Benjamin C Fracker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 05:53
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE90461C Cited
US283086A Cited
US450449A Cited
US591953A Cited
US787660A Cited
US1026265A Cited
FR413134A Cited
FR12361E Cited
US996621A Cited
US1302365A Cited
US2121200A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-11-15 1964-05-16 1964-11-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-11-15 1968-05-16 1968-11-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-11-15 1972-05-16 1972-11-15 $7700.00 Window Closed / Lapsed

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