US3196315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carpet underlay
Assignee: Individual
•
Filing: 1962-08-29
•
Granted: 1965-07-20
•
Expires: 1982-08-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:37
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/24; H05; H05F; H05F3/00; H05F3/02; H05F3/025; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN THE COMBINATION OF A CARPET FORMED FROM AN ELECTRICAL INSULATING MATERIAL AND HAVING AN UPPER WEARING SURFACE AND A LOWER SUPPORT SURFACE, SAID SURFACES BEING ELECTRICALLY INSULATED ONE FROM THE OTHER, AND A CARPET UNDERLAY FORMING A CUSHION BENEATH SAID CARPET, THE IMPROVEMENT COMPRISING: SAID CARPET UNDERLAY BEING FORMED FROM A MIXTURE OF SPONGE, RUBBER-LIKE MATERIAL AND A SUFFICIENT AMOUNT OF ELECTRICALLY CONDUCTIVE MATERIAL TO MAKE THE RESISTIVITY OF SAID MIXTURE SUBSTANTIALLY WITHIN THE RANGE OF 10**3-10**7 OHMS/CM.3 WHEREBY SAID CARPET FORMS A CAPACITANCE COUPLING BETWEEN SAID UPPER WEARING SURFACE AND SAID UNDERLAY WITHOUT AN ELECTRICAL CONNECTION FROM SAID WEARING SURFACE TO SAID UNDERLAY.
Claim 2
Dependent Claim
105 words
IN THE COMBINATION OF A CARPET FORMED FROM AN ELECTRICAL INSULATING MATERIAL AND HAVING AN UPPER WEARING SURFACE AND A LOWER SUPPORT SURFACE, SAID SURFACES BEING ELECTRICALLY INSULATED ONE FROM THE OTHER, AND A CARPET UNDERLAY FORMING A CUSHION BENEATH SAID CARPET, THE IMPROVEMENT COMPRISING: SAID CARPET UNDERLAY BEING FORMED FROM A MIXTURE OF SPONGE, RUBBER-LIKE MATERIAL AND A SUFFICIENT AMOUNT OF ELECTRICALLY CONDUCTIVE MATERIAL TO MAKE THE RESISTIVITY OF SAID MIXTURE SUBSTANTIALLY WITHIN THE RANGE OF 10**3-10**7 OHMS/CM.3 WHEREBY SAID CARPET FORMS A CAPACITANCE COUPLING BETWEEN SAID UPPER WEARING SURFACE AND SAID UNDERLAY WITHOUT AN ELECTRICAL CONNECTION FROM SAID WEARING SURFACE TO SAID UNDERLAY.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |