US2638427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carpet and method of making same
Assignee: Roberts Co
•
Filing: 1949-05-16
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Granted: 1953-05-12
•
Expires: 1969-05-16
Abstract
No abstract record available.
Inventors
- 👤 Roy M Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:55
CPC Classifications
D; D04; D04H; D04H11/00; D04H11/04; D10; D10B; D10B2503/00; D10B2503/04; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23964; Y10T428/23979
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
35 words
A RESILIENT FLOOR COVERING, COMPRISING: A PILE BASE; AND A MULTIPLICITY OF RESILIENT LOOPS SECURED INDIVIDUALLY AND SOLELY BY AN ADHESIVE BONDING MATERIAL TO SAID BASE AND HAVING FREE ENDS PROJECTING FROM A SURFACE THEREOF.
Claim 2
Dependent Claim
35 words
A RESILIENT FLOOR COVERING, COMPRISING: A PILE BASE; AND A MULTIPLICITY OF RESILIENT LOOPS SECURED INDIVIDUALLY AND SOLELY BY AN ADHESIVE BONDING MATERIAL TO SAID BASE AND HAVING FREE ENDS PROJECTING FROM A SURFACE THEREOF.
Claim 3
Independent Claim
41 words
A METHOD OF MAKING A PILE FABRIC, COMPRISING THE STEP OF VULCANIZING A MULTIPLICITY OF RESILIENT THREAD LOOPS INDIVIDUALLY TO A SURFACE OF A SHEARED PILE BASE WITH THE ENDS OF THE LOOPS PROJECTING THEREFROM AND COLLECTIVELY PROVIDING A PILE SURFACE.
Claim 4
Independent Claim
41 words
A METHOD OF MAKING A PILE FABRIC, COMPRISING THE STEP OF VULCANIZING A MULTIPLICITY OF RESILIENT THREAD LOOPS INDIVIDUALLY TO A SURFACE OF A SHEARED PILE BASE WITH THE ENDS OF THE LOOPS PROJECTING THEREFROM AND COLLECTIVELY PROVIDING A PILE SURFACE.
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) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |