Patent US2550686A successfully refreshed from Google Patents.
US2550686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of pile fabrics and products thereoy
Assignee: Textron Inc
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Filing: 1946-12-03
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Granted: 1951-05-01
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Expires: 1966-12-03
Abstract
No abstract record available.
Inventors
- 👤 Maurice A Goldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:22
CPC Classifications
D; D04; D04H; D04H11/00; D04H11/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1015; Y10T156/1052; Y10T156/1084; Y10T156/1085; Y10T428/00; Y10T428/23907; Y10T428/23921; Y10T428/23957; Y10T428/23979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE METHOD OF MAKING A FIBRE PRODUCT WHICH COMPRISES TAKING A LAYER OF COMBED, UNWOVEN FIBRES WHICH PREPONDERANTLY EXTEND SUBSTANTIALLY LONGITUDINALLY OF THE LAYER, APPLYING TO A SURFACE OF SAID LAYER A SERIES OF CLOSELY SPACED APART, RELATIVELY THIN AND FLAT DOTS OF THERMOPLASTIC MATERIAL, AND THEN ANCHLORING TO SAID DOTS ALONG CLOSELY SPACED PARALLEL LINES OF ATTACHMENT AND WITH THE AID OF HEAT AND PRESSURE, SPACED PORTIONS OF A SECOND LAYER OF COMBED, UNWOVEN FIBRES, THE SPACING BETWEEN SAID PARALLEL LINES OF ATTACHMENT BEING SUBSTANTIALLY LESS THAN THE WIDTH OF THE LAYER PORTIONS INTERMEDIATE SAID LINES.
Claim 2
Independent Claim
97 words
THE METHOD OF MAKING A FIBRE PRODUCT WHICH COMPRISES TAKING A LAYER OF COMBED, UNWOVEN FIBRES WHICH PREPONDERANTLY EXTEND SUBSTANTIALLY LONGITUDINALLY OF THE LAYER, APPLYING TO A SURFACE OF SAID LAYER A SERIES OF CLOSELY SPACED APART, RELATIVELY THIN AND FLAT DOTS OF THERMOPLASTIC MATERIAL, AND THEN ANCHLORING TO SAID DOTS ALONG CLOSELY SPACED PARALLEL LINES OF ATTACHMENT AND WITH THE AID OF HEAT AND PRESSURE, SPACED PORTIONS OF A SECOND LAYER OF COMBED, UNWOVEN FIBRES, THE SPACING BETWEEN SAID PARALLEL LINES OF ATTACHMENT BEING SUBSTANTIALLY LESS THAN THE WIDTH OF THE LAYER PORTIONS INTERMEDIATE SAID LINES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |