Patent US3023430A successfully refreshed from Google Patents.
US3023430A
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US
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Foamed cushioning material for contoured chairs and method of making same
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1958-03-03
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Granted: 1962-03-06
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Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Seymour Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:27
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/18; A47C7/185; Y; Y10; Y10S; Y10S297/00; Y10S297/02; Y10T; Y10T29/00; Y10T29/48; Y10T29/481
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN AN ARTICLE SUCH AS A CHAIR AND THE LIKE, A BASE OF A POLYESTER-GLASS FIBER COMPOSITION HAVING A CONTOURED FORM WITH CURVED SURFACE PORTIONS, A RELATIVELY THIN LAYER OF A RIGID THERMOPLASTIC COMPOSITION ADJACENT ONE OF THE SURFACES OF THE BASE AND SHAPED SO AS TO CONFORM WITH THE ADJACENT SURFACE OF THE BASE, A RELATIVELY THICK LAYER OF A FLEXIBLE RESILENT FOAMED MATERIAL ADHERED TO SAID THERMOPLASTIC LAYER BY A LAYER OF AN ADHESIVE COMPOSITION, SAID LAYER OF FOAMED MATERIAL HAVING A SUBSTANTIALLY HOMOGENOUS CELL STRUCTURE THROUGHOUT ITS LENGTH AND WIDTH AND BEING SHAPED SO AS TO FOLLOW THE CONTOUR OF THE THERMOPLASTIC LAYER SURFACES WHICH IN TURN FOLLOW THE CONTOUR OF THE SURFACE OF THE BASE ADJACENT THE THERMOPLASTIC LAYER.
Claim 2
Dependent Claim
123 words
IN AN ARTICLE SUCH AS A CHAIR AND THE LIKE, A BASE OF A POLYESTER-GLASS FIBER COMPOSITION HAVING A CONTOURED FORM WITH CURVED SURFACE PORTIONS, A RELATIVELY THIN LAYER OF A RIGID THERMOPLASTIC COMPOSITION ADJACENT ONE OF THE SURFACES OF THE BASE AND SHAPED SO AS TO CONFORM WITH THE ADJACENT SURFACE OF THE BASE, A RELATIVELY THICK LAYER OF A FLEXIBLE RESILENT FOAMED MATERIAL ADHERED TO SAID THERMOPLASTIC LAYER BY A LAYER OF AN ADHESIVE COMPOSITION, SAID LAYER OF FOAMED MATERIAL HAVING A SUBSTANTIALLY HOMOGENOUS CELL STRUCTURE THROUGHOUT ITS LENGTH AND WIDTH AND BEING SHAPED SO AS TO FOLLOW THE CONTOUR OF THE THERMOPLASTIC LAYER SURFACES WHICH IN TURN FOLLOW THE CONTOUR OF THE SURFACE OF THE BASE ADJACENT THE THERMOPLASTIC LAYER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |