Patent US3360423A successfully refreshed from Google Patents.
US3360423A
Expired / Lapsed
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Flexible structural foam sandwich construction
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1961-09-21
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Granted: 1967-12-26
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Expires: 1981-09-21
Abstract
No abstract record available.
Inventors
- 👤 Charles D Lindberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:11
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/142; A47C27/144; A47C27/15; B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B32; B32B; B32B27/00; B29K; B29K2105/00; B29K2105/06; Y; Y10; Y10S; Y10S521/00; Y10S521/918; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24826; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
AN UPHOLSTERY MATERIAL CONSISTING ESSENTIALLY OF A FLEXIBLE POLYURETHANE FOAM SHEET RANGING IN THICKNESS FROM ABOUT 0.05 INCH TO ABOUT ONE-QUARTER INCH, ONE SIDE OF SAID FOAM SHEET BEING ADHERED TO A FLEXIBLE POLYVINYL PLASTIC SHEET COEXTENSIVE WITH SAID FOAM SHEET AND RANGING IN THICKNESS FROM ABOUT 0.003 INCH TO ABOUT 0.1 INCH AND THE OTHER SIDE OF SAID FOAM SHEET BEING ADHERED BY A DISCONTINUOUS LAYER OF A CEMENT TO A FABRIC BACKING COEXTENSIVE WITH SAID FOAM SHEET.
Claim 2
Dependent Claim
79 words
AN UPHOLSTERY MATERIAL CONSISTING ESSENTIALLY OF A FLEXIBLE POLYURETHANE FOAM SHEET RANGING IN THICKNESS FROM ABOUT 0.05 INCH TO ABOUT ONE-QUARTER INCH, ONE SIDE OF SAID FOAM SHEET BEING ADHERED TO A FLEXIBLE POLYVINYL PLASTIC SHEET COEXTENSIVE WITH SAID FOAM SHEET AND RANGING IN THICKNESS FROM ABOUT 0.003 INCH TO ABOUT 0.1 INCH AND THE OTHER SIDE OF SAID FOAM SHEET BEING ADHERED BY A DISCONTINUOUS LAYER OF A CEMENT TO A FABRIC BACKING COEXTENSIVE WITH SAID FOAM SHEET.
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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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |