US2554262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated metal
Assignee: Westinghouse Electric Corp
•
Filing: 1945-03-15
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Granted: 1951-05-22
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Expires: 1965-03-15
Abstract
No abstract record available.
Inventors
- 👤 Fritz J Nagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:01
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C; C09; C09J; C09J161/00; C09J161/34; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31688; Y10T428/31692
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
A LAMINATED METAL MEMBER COMPOSED OF A PLURALITY OF LAMINATIONS AND A BINDER APPLIED BETWEEN THE LAMINTATIONS FOR BONDING THEM INTO PREDETERMINED SHAPE, THE BINDER COMPOSED OF THE PARTIAL REACTION PRODUCT OF 100 PARTS BY WEIGHT OF A PHENOL, 10 TI 110 PARTS BY WEIGHT OF AT LEAST ONR ARYLAMINE SELECTED FROM THE GROUP CONSISTING OF ANILINE, TOLUIDINE, PHENYLENEDIAMINE, AND NAPHTHYLAMINE AND FROM 1 TO 1.2 MOLS OF FORMALDEHYDE PER MOL OF PHENOIL AND ARYLAMINE COMBINED, AND FROM 0.3 TO 10 TIMES THE WEIGHT OF THE PARTIAL REACTION PRODUCT OF A THERMOPLASTIC POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE COPOLYMERS, POLYMTHYL METHACRYLATE, POLYMETHYL ACRYLATE, POLYPROPYL METHACRYLATE, POLYMETHYL ACRYLATE, POLYPROPYL METHACRYLATE, POLYVINYL ACETAL, POLYVINYL FORMAL AND POLYVINYL ALCOHOL.
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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) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |