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US2551475A Expired / Lapsed US ⏱️ 0.0 years remaining

Cross-row blocker and chopper

Assignee: Individual
•
Filing: 1947-08-12
•
Granted: 1951-05-01
•
Expires: 1967-08-12
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Abstract

No abstract record available.

Inventors

  • 👤 Harry A Turner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 04:49
CPC Classifications
A; A01; A01B; A01B41/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US245423A Cited
US612721A Cited
US810110A Cited
US991961A Cited
US1144039A Cited
US1642277A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-04-30 1954-10-30 1955-05-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-04-30 1958-10-30 1959-05-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-04-30 1962-10-30 1963-05-01 $7700.00 Window Closed / Lapsed

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