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US3581710A Expired / Lapsed US ⏱️ 0.0 years remaining

Sanitary hog watering trough

Assignee: Bangor Punta Operations Inc
•
Filing: 1969-01-22
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Granted: 1971-06-01
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Expires: 1989-01-22
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Abstract

Abstract A watering trough for hogs having a water pan with a perforated false bottom positioned above the principal bottom of the water pan through which dirt and other foreign matter pass and settle onto the principal bottom. The perforated bottom is connected to a cover for the pan and a cover for an automatic water valve which form a unitary structure pivotally connected to the rear side of the water pan to permit the false bottom and covers to be raised as a unit to permit access to the water pan for cleaning and servicing.

Inventors

  • 👤 Carl W Van Gilst

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 21:26
CPC Classifications
A; A01; A01K; A01K7/00; A01K7/02; A01K7/027; A01K7/025; A01K7/04

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 154 words
A watering trough for hogs comprising an open-top water pan, having sides and a bottom, a normally horizontally positioned panel spaced above the bottom of said pan and having holes therein to permit dirt to pass therethrough to the lower portion of said pan, a valve for controlling the water level in said pan disposed along one side thereof, a pair of animal actuating covers for said pan above said panel, a cover over sAid valve joined to said first-mentioned covers, means connecting said panel and said covers to form a separate structure to permit said panel and said covers to be removed from and returned to said pan as a unit, a hinge means supporter on said pan and pivotally connecting said separate structure along the rear side of said water pan, and a hinge means on said separate structure positioned transversely to said first-mentioned hinge means for the covers above said panel.
Claim 2
Dependent Claim 154 words
A watering trough for hogs comprising an open-top water pan, having sides and a bottom, a normally horizontally positioned panel spaced above the bottom of said pan and having holes therein to permit dirt to pass therethrough to the lower portion of said pan, a valve for controlling the water level in said pan disposed along one side thereof, a pair of animal actuating covers for said pan above said panel, a cover over sAid valve joined to said first-mentioned covers, means connecting said panel and said covers to form a separate structure to permit said panel and said covers to be removed from and returned to said pan as a unit, a hinge means supporter on said pan and pivotally connecting said separate structure along the rear side of said water pan, and a hinge means on said separate structure positioned transversely to said first-mentioned hinge means for the covers above said panel.
Claim 3
Dependent Claim 30 words
A watering trough for hogs as defined in claim 1 in which said valve for controlling the water level in said pan includes a float along the rear side thereof.
Claim 4
Dependent Claim 33 words
A watering trough for hogs as defined in claim 2 in which said first-mentioned hinge means pivotally connects the cover above said valve and float to the rear side of said water pan.
Claim 5
Dependent Claim 43 words
A watering trough for hogs as defined in claim 3 in which said cover for said valve and float, said panel and said first-mentioned covers are permanently connected to one another and are pivotally connected to the rear side of said watering pan.
Claim 6
Dependent Claim 58 words
A watering trough for hogs as defined in claim 4 in which one of said first-mentioned covers closes only one-half of said water pan and the other of said covers closed the other half of said water pan and said covers are pivoted by said hinge disposed in the direction from front to rear of the water pan.
Claim 7
Dependent Claim 22 words
A watering trough for hogs as defined in claim 1 in which a housing surrounds the under side of said water pan.
Claim 8
Dependent Claim 22 words
A watering trough for hogs as defined in claim 4 in which a housing surrounds the under side of said water pan.
Claim 9
Dependent Claim 41 words
A watering trough for hogs as defined in claim 7 in which a latch means secures said separate structure to said housing to retain said structure in its operable position and to prevent accidental displacement and dislodgement thereof by the hogs.

References Cited (Backward Citations)

US1400194A Cited
US1777577A Cited
US1839595A Cited
US2532999A Cited
US2590266A Cited
US2635580A Cited
US3027872A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-05-31 1974-11-30 1975-06-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-31 1978-11-30 1979-06-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-31 1982-11-30 1983-06-01 $7700.00 Window Closed / Lapsed

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