Patent US2621139A successfully refreshed from Google Patents.
US2621139A
Expired / Lapsed
US
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Laminated sheet material and methods of making such material
Assignee: Individual
•
Filing: 1947-08-12
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Granted: 1952-12-09
•
Expires: 1967-08-12
Abstract
No abstract record available.
Inventors
- 👤 Messing Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:23
CPC Classifications
A; A47; A47B; A47B96/00; A47B96/20; A47B96/205; B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T156/1041; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24521; Y10T428/2457; Y10T428/24587; Y10T442/00; Y10T442/60; Y10T442/674
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE METHOD OF MAKING A CONTINUOUS PADDED LAMINATED MATERIAL WHICH COMPRISES THE PLACING OF A LAYER OF PADDING BETWEEN TWO CONTINUOUS FLEXIBLE SHEETS, ONE OF WHICH IS AN OUTSIDE WEARRESISTING SHEET OF SELF-SUSTAINING THERMOPLASTIC MATERIAL OF A TYPE WHICH IS CAPABLE OF BEING REPEATEDLY SOFTENED BY INCREASE OF TEMPERATURE TO A CONSISTENCY WHICH WILL PERMIT IT TO PERMEATE COTTON WADDING AND OF BEING HARDENED BY DECREASE OF TEMPERATURE AND THEN APPLYING HEAT AND PRESSURE AT SUCCESSIVE SELECTED AREAS UNTIL THE BODIES OF THE THREE LAYERS ARE FUSED TOGETHER BY THE THERMOPLASTIC MATERIAL.
Claim 2
Independent Claim
92 words
THE METHOD OF MAKING A CONTINUOUS PADDED LAMINATED MATERIAL WHICH COMPRISES THE PLACING OF A LAYER OF PADDING BETWEEN TWO CONTINUOUS FLEXIBLE SHEETS, ONE OF WHICH IS AN OUTSIDE WEARRESISTING SHEET OF SELF-SUSTAINING THERMOPLASTIC MATERIAL OF A TYPE WHICH IS CAPABLE OF BEING REPEATEDLY SOFTENED BY INCREASE OF TEMPERATURE TO A CONSISTENCY WHICH WILL PERMIT IT TO PERMEATE COTTON WADDING AND OF BEING HARDENED BY DECREASE OF TEMPERATURE AND THEN APPLYING HEAT AND PRESSURE AT SUCCESSIVE SELECTED AREAS UNTIL THE BODIES OF THE THREE LAYERS ARE FUSED TOGETHER BY THE THERMOPLASTIC MATERIAL.
References Cited (Backward Citations)
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Cited
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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) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |