US3573124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of multilayer,cold-moldable and thermoformable complex or sandwich
Assignee: Individual
•
Filing: 1967-04-20
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Granted: 1971-03-30
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Expires: 1987-04-20
Abstract
Abstract A METHOD OF MANUFACTURE OF COLD-MOLDABLE THERMOFORMABLE SOUND-PROOFING COMPLEXES BY ASSOCIATING WITH COMPLEXES FORMED BY SURFACING OF BITUMINOUS PRODUCTS WITH LAYER OF UNWOVEN FELTS CHARGED WITH DIFFERENT RESINS, A SHEET OF COLDSHAPABLE IMPREGNATED CARDBOARD INCLUDING SHEET METAL, LEAD OR ALUMINUM THEREBY IMPARTING TO THE COMPLEX A COLD-SHAPING PROPERTY, WHILE RETAINING RIGIDITY AFTER COLD-SHAPING PERMITTING THE SUBSEQUENT PASSAGE THROUGH A FURNACE.
Inventors
- 👤 Bernard Rudloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:24
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/16; G10K11/162; B; B32; B32B; B32B27/00; B65; B65B; B65B13/00; B65B13/02; B65B13/04; B65B13/10; G10K11/168; B60; B60R; B60R13/00; B60R13/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/1048; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31717; Y10T428/31815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |