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US3587530A Expired / Lapsed US ⏱️ 0.0 years remaining

Animal feeder

Assignee: Individual
•
Filing: 1969-04-08
•
Granted: 1971-06-28
•
Expires: 1989-04-08
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Abstract

Abstract AN ANIMAL FEEDER COMPRISING A CYLINDRICAL HOPPER, A DOWNWARDLY INCLINED SPOUT HAVING VERTICAL SIDEWALLS ON THE FRONT OF THE HOPPER AND HAVING FLAT GENERALLY PARALLEL TOP AND BOTTOM SURFACES, AN INCLINED SURFACE IN THE HOPPER SUBSTANTIALLY IN LINE WITH THE BOTTOM OF THE SPOUT, A DOOR IN THE SPOUT AND HINGEDLY MOUNTED IN THE UPPER REAR PORTION THEREOF, AND A SOLENOID ON THE SPOUT OPERATING THE DOOR.

Inventors

  • 👤 Weston L Blair

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 23:44
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0291

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-06-27 1974-12-27 1975-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-27 1978-12-27 1979-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-27 1982-12-27 1983-06-28 $7700.00 Window Closed / Lapsed

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