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US2936963A Expired / Lapsed US ⏱️ 0.0 years remaining

Leader spool

Assignee: Individual
•
Filing: 1958-01-10
•
Granted: 1960-05-17
•
Expires: 1978-01-10
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Abstract

No abstract record available.

Inventors

  • 👤 Witte Melvin Louis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 23:56
CPC Classifications
A; A01; A01K; A01K97/00; A01K97/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US395178A Cited
US456671A Cited
FR346394A Cited
US2247881A Cited
US2463009A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-05-17 1963-11-16 1964-05-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-05-17 1967-11-16 1968-05-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-05-17 1971-11-16 1972-05-17 $7700.00 Window Closed / Lapsed

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