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US3234720A Expired / Lapsed US ⏱️ 0.0 years remaining

Combined cultivator and weed rake

Assignee: Individual
•
Filing: 1963-12-03
•
Granted: 1966-02-15
•
Expires: 1983-12-03
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Abstract

No abstract record available.

Inventors

  • 👤 Alexander H Blodgett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 14:24
CPC Classifications
A; A01; A01B; A01B1/00; A01B1/16; A01B1/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US908266A Cited
US1120062A Cited
US2010325A Cited
US2821834A Cited
US2795923A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-14 1969-08-16 1970-02-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-14 1973-08-16 1974-02-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-14 1977-08-16 1978-02-15 $7700.00 Window Closed / Lapsed

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