Patent US4176622A successfully refreshed from Google Patents.
US4176622A
Expired / Lapsed
US
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Floor grid for use in keeping animals
Assignee: Johann Wolf GmbH KG
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Filing: 1977-01-06
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Granted: 1979-12-04
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Expires: 1997-01-06
Abstract
Abstract A floor grid for use in keeping animals, comprises a plurality of juxtaposed wooden bars which are transversely spaced apart to define gaps between them, and a covering on the top of each bar. The covering has downwardly depending longitudinal edge portions that extend downwardly along opposite sides of each bar, and laterally protruding portions that are integral with the downwardly depending longitudinal edge portions and that also extend downwardly along the sides of the bars. The laterally protruding portions are spaced apart along the bars to space the bars apart laterally.
Inventors
- 👤 Johann Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:04
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/42; E04C2/427; A; A01; A01K; A01K1/00; A01K1/015; A01K1/0151
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
84 words
A floor grid for use in keeping animals, which comprises a plurality of juxtaposed wooden bars, which are transversely spaced apart to define gaps between them, and a covering provided on top of each bar and having depending longitudinal edge portions that extend downwardly along opposite sides of each bar and laterally protruding portions integral with said downwardly depending longitudinal edge portions and also extending downwardly along the sides of the bars and spaced apart along the bars to space the bars apart laterally.
Claim 2
Dependent Claim
84 words
A floor grid for use in keeping animals, which comprises a plurality of juxtaposed wooden bars, which are transversely spaced apart to define gaps between them, and a covering provided on top of each bar and having depending longitudinal edge portions that extend downwardly along opposite sides of each bar and laterally protruding portions integral with said downwardly depending longitudinal edge portions and also extending downwardly along the sides of the bars and spaced apart along the bars to space the bars apart laterally.
Claim 3
Dependent Claim
18 words
A floor grid as set forth in claim 1, in which said coverings consist of galvanized sheet steel.
Claim 4
Dependent Claim
34 words
A floor grid as set forth in claim 2, in which each of said coverings is provided with naillike tongues, which are struck out downwardly and project into the top of the associated bar.
Claim 5
Dependent Claim
38 words
A floor grid as set forth in claim 2, in which each of said coverings is provided with naillike tongues, which are right-angled and have been struck out upwardly and have subsequently been driven into the associated bar.
Claim 6
Dependent Claim
17 words
A floor covering as set forth in claim 1, in which said coverings consist of sheet aluminum.
Claim 7
Dependent Claim
17 words
A floor grid as set forth in claim 1, in which said coverings consist of plastics material.
Claim 8
Dependent Claim
32 words
A floor covering as set forth in claim 1, in which each of said coverings is provided on its underside with means by which the covering is secured to the associated bar.
Claim 9
Dependent Claim
34 words
A floor grid as set forth in claim 1, in which said laterally protruding portions of each of said coverings consist of noses, which engage adjacent coverings to define the width of said gaps.
Claim 10
Dependent Claim
44 words
A floor grid as set forth in claim 1, in which said laterally protruding portions of each of said coverings protrude by one-half of the width of said gaps and are in register with and engage said laterally protruding portions of adjacent said coverings.
Claim 11
Dependent Claim
44 words
A floor grid as set forth in claim 1, in which each of said laterally protruding portions of each of said coverings protrudes by the width of said gaps and is disposed approximately midway between two laterally protruding portions of the adjacent said covering.
Claim 12
Dependent Claim
23 words
A floor grid as set forth in claim 1, in which said covering has an upper surface formed with higher and lower portions.
Claim 13
Dependent Claim
23 words
A floor grid as set forth in claim 1, which comprises reinforcing rails which are nailed to the underside of said wooden bars.
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) | 1982-12-03 | 1983-06-04 | 1983-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-03 | 1987-06-04 | 1987-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-03 | 1991-06-04 | 1991-12-04 | $7700.00 | Window Closed / Lapsed |