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US2917867A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydroponic apparatus and tray therefor

Assignee: BUCKEYE Corp
•
Filing: 1958-05-07
•
Granted: 1959-12-22
•
Expires: 1978-05-07
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Abstract

No abstract record available.

Inventors

  • 👤 Ralph K Bailey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:17
CPC Classifications
A; A01; A01G; A01G31/00; A01G31/02; A01G31/06; A01G31/065; Y; Y02; Y02P; Y02P60/00; Y02P60/20; Y02P60/21

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1631802A Cited
CH123692A Cited
US1983806A Cited
US2658310A Cited
GB744200A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-12-21 1963-06-22 1963-12-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-12-21 1967-06-22 1967-12-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-12-21 1971-06-22 1971-12-22 $7700.00 Window Closed / Lapsed

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