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US2863554A Expired / Lapsed US ⏱️ 0.0 years remaining

Unitary open-top channel-type conveyor and elevator

Assignee: Individual
•
Filing: 1953-11-02
•
Granted: 1958-12-09
•
Expires: 1973-11-02
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Abstract

No abstract record available.

Inventors

  • 👤 Cordis Nat

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 00:13
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/01; A01K1/0128

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US414416A Cited
US709149A Cited
US2446685A Cited
US2636593A Cited
US2554589A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-08 1962-06-09 1962-12-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-08 1966-06-09 1966-12-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-08 1970-06-09 1970-12-09 $7700.00 Window Closed / Lapsed

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