Patent US2753286A successfully refreshed from Google Patents.
US2753286A
Expired / Lapsed
US
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Elastic mat for upholstery and process of making same
Assignee: Akzona Inc
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Filing: 1951-10-23
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Granted: 1956-07-03
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Expires: 1971-10-23
Abstract
No abstract record available.
Inventors
- 👤 Buchkremer Josef
- 👤 Sonnenschein Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:01
CPC Classifications
D; D04; D04H; D04H3/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24132; Y10T428/249921; Y10T428/249924; Y10T428/24994; Y10T428/249948; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/31504; Y10T428/31826; Y10T428/31841
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
152 words
A PROCESS OF PRODUCING AN ELASTIC MAT FOR UPHOLSTERY, COMPRISING THE STEPS OF FORMING AN ELONGATED LOOSE LAYER CONSISTING OF INDIVIDUALLY CRIMPED ARTIFICIAL CELLULOSIC FILAMENTS ARRANGED WITH THEIR AXES EXTENDING SUBSTANTIALLY IN DIRECTION OF SAID ELONGATED LAYER AND EACH HAVING CRIMPS EXTENDING NORMAL TO THE PLANE OF SAID LAYER AND BEING ARRANGED HAPHAZARDLY WITH RESPECT TO THE CRIMPS OF THE OTHER FILAMENTS OF THE LAYER SO AS TO FORM A COHERENT BAND WHICH IS RESILIENT PERPENDICULARLY TO SAID PLANE; AND APPLYING TO SAID BAND AN ELASTIC BINDER SUBSTANCE ADAPTED TO BE MADE ADHESIVE BY ACTIVATION IN AN AMOUNT OF BETWEEN ONE AND ONE-HALF AND TWO TIMES THE WEIGHT OF SAID BAND SO AS TO COAT SAID FILAMENTS WITH SAID ELASTIC BINDER; ACTIVATING SAID ELASTIC BINDER SUBSTANCE SO AS TO MAKE THE SAME ADHESIVE, THUS CAUSING THE FILAMENTS TO ADHERE TO EACH OTHER AND FORMING A RESILIENT UPHOLSTERING MAT OF CRIMPED ADHERING FILAMENTS.
Claim 2
Dependent Claim
152 words
A PROCESS OF PRODUCING AN ELASTIC MAT FOR UPHOLSTERY, COMPRISING THE STEPS OF FORMING AN ELONGATED LOOSE LAYER CONSISTING OF INDIVIDUALLY CRIMPED ARTIFICIAL CELLULOSIC FILAMENTS ARRANGED WITH THEIR AXES EXTENDING SUBSTANTIALLY IN DIRECTION OF SAID ELONGATED LAYER AND EACH HAVING CRIMPS EXTENDING NORMAL TO THE PLANE OF SAID LAYER AND BEING ARRANGED HAPHAZARDLY WITH RESPECT TO THE CRIMPS OF THE OTHER FILAMENTS OF THE LAYER SO AS TO FORM A COHERENT BAND WHICH IS RESILIENT PERPENDICULARLY TO SAID PLANE; AND APPLYING TO SAID BAND AN ELASTIC BINDER SUBSTANCE ADAPTED TO BE MADE ADHESIVE BY ACTIVATION IN AN AMOUNT OF BETWEEN ONE AND ONE-HALF AND TWO TIMES THE WEIGHT OF SAID BAND SO AS TO COAT SAID FILAMENTS WITH SAID ELASTIC BINDER; ACTIVATING SAID ELASTIC BINDER SUBSTANCE SO AS TO MAKE THE SAME ADHESIVE, THUS CAUSING THE FILAMENTS TO ADHERE TO EACH OTHER AND FORMING A RESILIENT UPHOLSTERING MAT OF CRIMPED ADHERING FILAMENTS.
Claim 3
Dependent Claim
87 words
AN ELASTIC MAT FOR UPHOLSTERY CONSISTING OF AN ELONGATED COHERENT BAND OF INDIVIDUALLY CRIMPED ARTIFICAL CELLULOSIC FILAMENTS ARRANGED WITH THEIR AXES EXTENDING SUBSTANTIALLY IN THE DIRECTION OF SAID ELONGATED BAND AND EACH HAVING CRIMPS EXTENDING NORMAL TO THE PLANE OF SAID BAND AND BEING ARRANGED HAPHAZARDLY WITH RESPECT TO THE CRIMPS OF THE OTHER FILAMENTS OF SAID BAND, SAID FILAMENTS BEING COATED WITH AN ELASTIC BINDER FIRMLY ADHERING THERETO AND BEING IN AN AMOUNT OF BETWEEN ONE AND ONE-HALF AND TWO TIMES THE WEIGHT OF SAID FILAMENTS.
Claim 4
Dependent Claim
87 words
AN ELASTIC MAT FOR UPHOLSTERY CONSISTING OF AN ELONGATED COHERENT BAND OF INDIVIDUALLY CRIMPED ARTIFICAL CELLULOSIC FILAMENTS ARRANGED WITH THEIR AXES EXTENDING SUBSTANTIALLY IN THE DIRECTION OF SAID ELONGATED BAND AND EACH HAVING CRIMPS EXTENDING NORMAL TO THE PLANE OF SAID BAND AND BEING ARRANGED HAPHAZARDLY WITH RESPECT TO THE CRIMPS OF THE OTHER FILAMENTS OF SAID BAND, SAID FILAMENTS BEING COATED WITH AN ELASTIC BINDER FIRMLY ADHERING THERETO AND BEING IN AN AMOUNT OF BETWEEN ONE AND ONE-HALF AND TWO TIMES THE WEIGHT OF SAID FILAMENTS.
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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) | 1959-07-03 | 1960-01-02 | 1960-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-03 | 1964-01-02 | 1964-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-03 | 1968-01-02 | 1968-07-03 | $7700.00 | Window Closed / Lapsed |