Patent US3238087A successfully refreshed from Google Patents.
US3238087A
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US
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Method of making laminated structural elements and article produced thereby
Assignee: Union Carbide Corp
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Filing: 1962-12-19
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Granted: 1966-03-01
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Expires: 1982-12-19
Abstract
No abstract record available.
Inventors
- 👤 Norwalk Stanley
- 👤 Thomas E Bugel
- 👤 Robert H Snedeker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:00
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08L; C08L71/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31525; Y10T428/31529; Y10T428/31678; Y10T428/31692; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31938
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
51 words
A STRUCTURAL ELEMENT COMPRISING AN ADHEREND SELECTED FROM THE CLASS CONSISTING OF CELLULOSIC, GLASS, CERAMIC, METAL AND SYNTHETIC ORGANIC POLYMERIC ADHERENDS AND ADHERING THERETO A THERMOPLASTIC POLYHYDROXYETHER REACTION PRODUCT OF SUBSTANTIALLY EQUIMOLAR AMOUNTS OF A DIHYDRIC PHENOL AND EPICHLOROHYDRIN, SAID THERMOPLASTIC POLYHYDROXYETHER HAVING A DEGREE OF POLYMERIZATION OF AT LEAST 30.
Claim 2
Dependent Claim
51 words
A STRUCTURAL ELEMENT COMPRISING AN ADHEREND SELECTED FROM THE CLASS CONSISTING OF CELLULOSIC, GLASS, CERAMIC, METAL AND SYNTHETIC ORGANIC POLYMERIC ADHERENDS AND ADHERING THERETO A THERMOPLASTIC POLYHYDROXYETHER REACTION PRODUCT OF SUBSTANTIALLY EQUIMOLAR AMOUNTS OF A DIHYDRIC PHENOL AND EPICHLOROHYDRIN, SAID THERMOPLASTIC POLYHYDROXYETHER HAVING A DEGREE OF POLYMERIZATION OF AT LEAST 30.
Claim 3
Dependent Claim
79 words
METHOD FOR MAKING STRUCTURAL ELEMENTS COMPRISING AN ADHEREND SELECTED FROM THE CLASS CONSISTING OF CELLULOSIC, GLASS, CERAMIC, METAL, AND SYNTHETIC ORGANIC POLYMERIC ADHERENDS AND ADHERING THERETO A THERMOPLASTIC POLYHYDROXYETHER REACTION PRODUCT OF SUBSTANTIALLY EQUIMOLAR AMOUNTS OF A DIHYDRIC PHENOL AND EPICHLOROHYDRIN, SAID THERMOPLASTIC POLYHYDROXYETHER HAVING A DEGRE OF POLYMERIZATION OF AT LEAST 30, INCLUDING THE STEP OF CONTRACTING A SURFACE OF THE ADHEREND WITH THE THERMOPLASTIC POLYHYDROXYETHER UNDER CONDITIONS CONDUCTIVE TO FLOW OF THE POLYHYDROXYETHER OVER SAID ADHEREND SURFACE.
Claim 4
Dependent Claim
79 words
METHOD FOR MAKING STRUCTURAL ELEMENTS COMPRISING AN ADHEREND SELECTED FROM THE CLASS CONSISTING OF CELLULOSIC, GLASS, CERAMIC, METAL, AND SYNTHETIC ORGANIC POLYMERIC ADHERENDS AND ADHERING THERETO A THERMOPLASTIC POLYHYDROXYETHER REACTION PRODUCT OF SUBSTANTIALLY EQUIMOLAR AMOUNTS OF A DIHYDRIC PHENOL AND EPICHLOROHYDRIN, SAID THERMOPLASTIC POLYHYDROXYETHER HAVING A DEGRE OF POLYMERIZATION OF AT LEAST 30, INCLUDING THE STEP OF CONTRACTING A SURFACE OF THE ADHEREND WITH THE THERMOPLASTIC POLYHYDROXYETHER UNDER CONDITIONS CONDUCTIVE TO FLOW OF THE POLYHYDROXYETHER OVER SAID ADHEREND SURFACE.
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |