US3709771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article and method of manufacture
Assignee: Phillips Petroleum Co
•
Filing: 1970-04-29
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Granted: 1973-01-09
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Expires: 1990-04-29
Abstract
Abstract 1. AN ARTICLE COMPRISING A POROUS BACKING MATERIAL HAVING TUFTS OF ORGANOTHERMOPLASTIC MATERIAL ATTACHED THERETO, EACH OF SAID TUFTS COMPRISING SINGLE STRANDS COMPRESSED AND THERMALLY WELDED TOGETHER WITH OTHER STRANDS AT THE POINT OF JUNCTURE OF SAID TUFT AND SAID BACKING, AND SAID ORGANOTHERMOPLASTIC MATERIAL BEING THERMALLY WELDED TO SAID BACKING MATERIAL BY SAID ORGANOTHERMOPLASTIC TUFT MATERIAL DISPERSED WITHIN THE POROSITY OF SAID BACKING MATERIAL.
Inventors
- 👤 H Boultinghouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:06
CPC Classifications
D; D04; D04H; D04H11/00; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AN ARTICLE COMPRISING A POROUS BACKING MATERIAL HAVING TUFTS OF ORGANOTHERMOPLASTIC MATERIAL ATTACHED THERETO, EACH OF SAID TUFTS COMPRISING SINGLE STRANDS COMPRESSED AND THERMALLY WELDED TOGETHER WITH OTHER STRANDS AT THE POINT OF JUNCTURE OF SAID TUFT AND SAID BACKING, AND SAID ORGANOTHERMOPLASTIC MATERIAL BEING THERMALLY WELDED TO SAID BACKING MATERIAL BY SAID ORGANOTHERMOPLASTIC TUFT MATERIAL DISPERSED WITHIN THE POROSITY OF SAID BACKING MATERIAL.
Claim 2
Dependent Claim
64 words
AN ARTICLE COMPRISING A POROUS BACKING MATERIAL HAVING TUFTS OF ORGANOTHERMOPLASTIC MATERIAL ATTACHED THERETO, EACH OF SAID TUFTS COMPRISING SINGLE STRANDS COMPRESSED AND THERMALLY WELDED TOGETHER WITH OTHER STRANDS AT THE POINT OF JUNCTURE OF SAID TUFT AND SAID BACKING, AND SAID ORGANOTHERMOPLASTIC MATERIAL BEING THERMALLY WELDED TO SAID BACKING MATERIAL BY SAID ORGANOTHERMOPLASTIC TUFT MATERIAL DISPERSED WITHIN THE POROSITY OF SAID BACKING MATERIAL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |