Patent US4100885A successfully refreshed from Google Patents.
US4100885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stock waterer
Assignee: SCHAFER KENNETH L
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Filing: 1976-12-06
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Granted: 1978-07-18
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Expires: 1996-12-06
Abstract
Abstract A stock watering device for preventing water therein from freezing during cold weather and for keeping the water therein cool during hot weather. The device includes an insulated tank, an insulated cover portion, a float valve for maintaining water within the tank at a predetermined level and a drinking well provided in the cover portion for providing drinking access. The drinking well includes a lower continuous edge extending below the predetermined level of water to form an effective seal between the interior of the insulated tank and the ambient weather conditions.
Inventors
- 👤 Lawrence E. Kapplinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:03
CPC Classifications
A; A01; A01K; A01K7/00; A01K7/02; A01K7/027; A01K7/025; A01K7/04
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
184 words
A stock watering device comprising: an insulated tank for receiving a quantity of water, said insulated tank having an insulated cover portion; means for maintaining the water within said insulated tank at a predetermined level; at least one drinking well provided in said insulated cover portion for providing limited drinking access to the water within said insulated tank, said drinking well being joined with said insulated cover portion at a peripheral edge of said drinking well to form a generally airtight seal therewith and having a lower continuous edge extending below said predetermined level to form an effective seal between the interior of said insulated tank and the ambient weather conditions and a continuous upper surface portion forming a closed loop; and a lid pivotally connected with said insulated cover portion at a point spaced from said continuous upper surface portion, said lid being movable between an open and a closed position with respect to said drinking well and having a seat portion for engagement with said upper continuous surface along substantialy the entire length thereof when said lid is in a closed position.
Claim 2
Dependent Claim
184 words
A stock watering device comprising: an insulated tank for receiving a quantity of water, said insulated tank having an insulated cover portion; means for maintaining the water within said insulated tank at a predetermined level; at least one drinking well provided in said insulated cover portion for providing limited drinking access to the water within said insulated tank, said drinking well being joined with said insulated cover portion at a peripheral edge of said drinking well to form a generally airtight seal therewith and having a lower continuous edge extending below said predetermined level to form an effective seal between the interior of said insulated tank and the ambient weather conditions and a continuous upper surface portion forming a closed loop; and a lid pivotally connected with said insulated cover portion at a point spaced from said continuous upper surface portion, said lid being movable between an open and a closed position with respect to said drinking well and having a seat portion for engagement with said upper continuous surface along substantialy the entire length thereof when said lid is in a closed position.
Claim 3
Dependent Claim
18 words
The stock watering device of claim 1 wherein two drinking wells are provided in said insulated cover portion.
Claim 4
Dependent Claim
45 words
The stock watering device of claim 1 wherein the ratio of the total surface area of water within all of said drinking wells (in square inches) to the volume of water within said insulated tank (in cubic inches) is less than approximately 1 to 70.
Claim 5
Dependent Claim
21 words
The stock watering device of claim 1 wherein said lower continuous edge forms a closed loop extending below said predetermined level.
Claim 6
Dependent Claim
17 words
The stock watering device of claim 4 wherein said upper continuous surface lies in a single plane.
Claim 7
Dependent Claim
19 words
The stock watering device of claim 4 wherein said drinking well is generally cup shaped with an open bottom.
Claim 8
Dependent Claim
19 words
The stock watering device of claim 6 wherein said drinking well is integrally joined with said insulated cover portion.
Claim 9
Dependent Claim
21 words
The stock watering device of claim 7 wherein said single plane slopes downwardly toward the outer edge of said insulated tank.
Claim 10
Dependent Claim
54 words
The stock watering device of claim 5 wherein said lid is insulated and said seat portion includes a groove in the lower surface of said lid, said groove conforming substantially to the shape and dimensions of said upper continuous surface and adapted for engagement therewith when said insulated lid is in its closed position.
Claim 11
Dependent Claim
22 words
The stock watering device of claim 9 having stop means for limiting the extent to which said insulated lid can be opened.
Claim 12
Dependent Claim
28 words
The stock watering device of claim 9 wherein said insulated cover portion includes a recessed portion and said insulated lid is adapted to fit within said recessed portion.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-07-17 | 1982-01-16 | 1982-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-17 | 1986-01-16 | 1986-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-17 | 1990-01-16 | 1990-07-18 | $7700.00 | Window Closed / Lapsed |