US2878153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making mattresses, cushions, upholstery, heat and sound insulating coverings and the like
Assignee: Agricola Reg Trust
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Filing: 1956-02-02
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Granted: 1959-03-17
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Expires: 1976-02-02
Abstract
No abstract record available.
Inventors
- 👤 Hacklander Karl Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/142; A47C27/146; A47C27/144; B; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29C44/5627; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/436; B29C66/70; B29C66/72; B29C66/727; B29C66/80; B29C66/83; B29C66/834; B29C66/8351; B29C66/83511; B29C66/83513; B32; B32B; B32B27/00; B68; B68G; B68G13/00; B68G13/04; B68G7/00; B68G7/02; B29C66/13; B29C66/133; B29C66/71; Y; Y10; Y10S; Y10S264/00; Y10S264/07; Y10S264/28; Y10S297/00; Y10S297/01; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T156/1043; Y10T156/1044; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249961; Y10T428/249981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A METHOD OF FORMING RESILIENT UPHOLSTERY CONSISTING AT LEAST IN PART OF THERMOPLASTIC ORGANIC PLASTIC EXPANDED BY HAVING PORES THEREIN AND HAVING TWO OPPOSITE FACES, COMPRISING THE STEPS OF COMPRESSING RESILIENT EXPANDED PLASTIC OVER AT LEAST A SUBSTANTIAL PART OF THE AREA OF THE UPHOLSTERY TO CLOSE UP THE PORES THEREIN AND REDUCE THE THICKNESS, APPLYING HEAT OVER RELATIVELY SMALL PORTIONS OF THE COMPRESSED AREA TO RENDER THEM PLASTIC AND REMOVE THE PORES THEREFROM, ALLOWING THE HEATED PORTIONS TO COOL AND SOLIDIFY AND RELEASING THE COMPRESSION TO ALLOW THE PORES OF THE MAIN BODY OF THE UPHOLSTERY TO OPEN AND THE MAIN BODY TO RETURN TO SUBSTANTIALLY ITS ORIGINAL THICKNESS, WHEREBY THE PLASTIC ADJACENT AT LEAST ONE OF THE OPPOSITE FACES OF THE UPHOLSTERY IS STRESSED BY BEING UNDER TENSION IN A DIRECTION PARALLEL WITH SAID FACE OR FACES WHILE THE PLASTIC REMOTE FROM SAID FACE OR FACES IS STRESSED BY BEING COMPRESSED PARALLEL WITH SAID FACE OR FACES.
Claim 2
Independent Claim
159 words
A METHOD OF FORMING RESILIENT UPHOLSTERY CONSISTING AT LEAST IN PART OF THERMOPLASTIC ORGANIC PLASTIC EXPANDED BY HAVING PORES THEREIN AND HAVING TWO OPPOSITE FACES, COMPRISING THE STEPS OF COMPRESSING RESILIENT EXPANDED PLASTIC OVER AT LEAST A SUBSTANTIAL PART OF THE AREA OF THE UPHOLSTERY TO CLOSE UP THE PORES THEREIN AND REDUCE THE THICKNESS, APPLYING HEAT OVER RELATIVELY SMALL PORTIONS OF THE COMPRESSED AREA TO RENDER THEM PLASTIC AND REMOVE THE PORES THEREFROM, ALLOWING THE HEATED PORTIONS TO COOL AND SOLIDIFY AND RELEASING THE COMPRESSION TO ALLOW THE PORES OF THE MAIN BODY OF THE UPHOLSTERY TO OPEN AND THE MAIN BODY TO RETURN TO SUBSTANTIALLY ITS ORIGINAL THICKNESS, WHEREBY THE PLASTIC ADJACENT AT LEAST ONE OF THE OPPOSITE FACES OF THE UPHOLSTERY IS STRESSED BY BEING UNDER TENSION IN A DIRECTION PARALLEL WITH SAID FACE OR FACES WHILE THE PLASTIC REMOTE FROM SAID FACE OR FACES IS STRESSED BY BEING COMPRESSED PARALLEL WITH SAID FACE OR FACES.
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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) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |