US3523037A
Expired / Lapsed
US
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Epoxy resin composition containing brominated polyglycidyl ether of bisphenol a and a polyglycidyl ether of tetrakis(hydroxyphenyl) ethane
Assignee: International Business Machines Corp
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Filing: 1967-06-12
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Granted: 1970-08-04
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Expires: 1987-06-12
Abstract
No abstract record available.
Inventors
- 👤 Leroy N Chellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:01
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/36; B; B29; B29C; B29C70/00; B29C70/003; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/38; C08J; C08J5/00; C08J5/24; C08J5/241; C08J5/244; C08J5/249; H; H01; H01B; H01B3/00; H01B3/02; H01B3/08; H01B3/084; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/032; H05K1/0326; B29K; B29K2309/00; B29K2309/08; C08J2363/00; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2549; Y10T442/2566; Y10T442/2926; Y10T442/2951
Claims Analysis
Total Claims: 0
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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) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |