US2497117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of surface-bonding fibrous batts
Assignee: Individual
•
Filing: 1946-01-23
•
Granted: 1950-02-14
•
Expires: 1966-01-23
Abstract
No abstract record available.
Inventors
- 👤 Dreyfus Camille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:16
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; Y; Y10; Y10S; Y10S264/00; Y10S264/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
PROCESS FOR THE PREPARATION OF COHERENT BATTING MATERIALS HAVING THEIR SURFACES COALESCED TO YIELD A STRONG UNITARY STRUCTURE AND CONTAINING STAPLE FIBERS HAVING A BASIS OF A THERMOPLASTIC MATERIAL, WHICH COMPRISES FORMING A BATTING OF INTERLACED AND MATTED UNPLASTICIZED STAPLE FIBERS AT LEAST A PORTION OF WHICH FIBERS HAVE A BASIS OF A THERMOPLASTIC MATERIAL, APPLYING WATER TO THE SURFACES THEREOF, AND THEN SUBJECTING THE WETTED BATTING MATERIAL TO THE ACTION OF A HEATED SURFACE WHEREBY AT LEAST A PORTION OF THE THERMOPLASTIC STAPLE FIBERS AT THE SURFACES ONLY OF THE BATTING MATERIAL ARE SOFTENED AND COALESCED.
Claim 2
Dependent Claim
97 words
PROCESS FOR THE PREPARATION OF COHERENT BATTING MATERIALS HAVING THEIR SURFACES COALESCED TO YIELD A STRONG UNITARY STRUCTURE AND CONTAINING STAPLE FIBERS HAVING A BASIS OF A THERMOPLASTIC MATERIAL, WHICH COMPRISES FORMING A BATTING OF INTERLACED AND MATTED UNPLASTICIZED STAPLE FIBERS AT LEAST A PORTION OF WHICH FIBERS HAVE A BASIS OF A THERMOPLASTIC MATERIAL, APPLYING WATER TO THE SURFACES THEREOF, AND THEN SUBJECTING THE WETTED BATTING MATERIAL TO THE ACTION OF A HEATED SURFACE WHEREBY AT LEAST A PORTION OF THE THERMOPLASTIC STAPLE FIBERS AT THE SURFACES ONLY OF THE BATTING MATERIAL ARE SOFTENED AND COALESCED.
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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) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |