US3861098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spacer disk for the production of a floor covering
Assignee: Individual
•
Filing: 1973-10-04
•
Granted: 1975-01-21
•
Expires: 1993-10-04
Abstract
Abstract A spacer disk for the laying of construction plates on a rigid base has an upper surface and a lower surface and formed with radial running raised portions arranged on the upper surface thereof and defining a joint width of the plates. The spacer disk is of ring form, having a center opening and formed on the lower surface at a region thereof lying and following opposite the raised portions, respectively, two linear running recesses extending across the width of the ring.
Inventors
- 👤 Karl Schaub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:14
CPC Classifications
E; E04; E04D; E04D11/00; E04D11/005; E01; E01C; E01C3/00; E01C3/006; E04F; E04F15/00; E04F15/02; E04F15/024; E04F15/02447; E04F15/02044; E04F2015/02105; E04F2015/02111; E04F2015/02127
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
89 words
A spacer for the laying of construction plates on a rigid base, comprising a spacer disk having an upper surface and a lower surface and formed with radially running raised portions arranged on said upper surface thereof and defining a joint width of said plates, said spacer disk being of ring form, having a center opening and being formed in said lower surface in a region thereof lying and fOllowing opposite to said raised portions, respectively, with two linearly running recesses extending across the width of said ring form.
Claim 2
Dependent Claim
89 words
A spacer for the laying of construction plates on a rigid base, comprising a spacer disk having an upper surface and a lower surface and formed with radially running raised portions arranged on said upper surface thereof and defining a joint width of said plates, said spacer disk being of ring form, having a center opening and being formed in said lower surface in a region thereof lying and fOllowing opposite to said raised portions, respectively, with two linearly running recesses extending across the width of said ring form.
Claim 3
Dependent Claim
19 words
The spacer defined in claim 1, wherein said recesses further constitute separation joints, for separating said disk into segments.
Claim 4
Dependent Claim
19 words
The spacer defined in claim 2, wherein said disk is of elastic material for the purpose of sound proofing.
Claim 5
Dependent Claim
17 words
The spacer defined in claim 2, wherein said raised portions of said disk are radially extending ribs.
Claim 6
Dependent Claim
15 words
The spacer defined in claim 2, wherein said disk is formed as a circular ring.
Claim 7
Dependent Claim
14 words
The spacer defined in claim 2, wherein said recesses extend radially in said disk.
Claim 8
Dependent Claim
38 words
The spacer defined in claim 6, wherein a pair of said recesses in said lower surface of said disk are disposed on both sides of each of the corresponding raised portions on the upper surface of said disk.
Claim 9
Dependent Claim
108 words
A spacer disk and support disc combination for laying of construction plates on a rigid base, comprising a spacer disk having an upper surface and a lower surface and formed with radially running raised portions arranged on said upper surface thereof and defining a joint width of said plates, said distance disk being of ring form, having a center opening and forming in said lower surface in a region thereof lying and following opposite to said raised portions, respectively, two linearly running recesses extending across the width of said ring form, and a support disk, said lower surface of said distance disk being laid on said support disk.
Claim 10
Dependent Claim
108 words
A spacer disk and support disc combination for laying of construction plates on a rigid base, comprising a spacer disk having an upper surface and a lower surface and formed with radially running raised portions arranged on said upper surface thereof and defining a joint width of said plates, said distance disk being of ring form, having a center opening and forming in said lower surface in a region thereof lying and following opposite to said raised portions, respectively, two linearly running recesses extending across the width of said ring form, and a support disk, said lower surface of said distance disk being laid on said support disk.
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) | 1978-01-20 | 1978-07-22 | 1979-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-20 | 1982-07-22 | 1983-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-20 | 1986-07-22 | 1987-01-21 | $7700.00 | Window Closed / Lapsed |