Patent US3033170A successfully refreshed from Google Patents.
US3522326A
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Graft copolymers of polyphenylene ethers
Assignee: General Electric Co
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Filing: 1967-10-05
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Granted: 1970-07-28
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Expires: 1987-10-05
Abstract
No abstract record available.
Inventors
- 👤 Edgar E Bostick
- 👤 Allan S Hay
- 👤 Alan J Chalk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:54
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/06; C08F283/08; Y; Y10; Y10S; Y10S525/00; Y10S525/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3234193A
Cited
FR1478225A
Cited
US3384682A
Cited
US3396146A
Cited
US3356761A
Cited
US3402144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |