Patent US3497464A successfully refreshed from Google Patents.
US3497464A
Expired / Lapsed
US
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Inorganic aluminum-oxygen-phosphorous bond polymers
Assignee: Dow Chemical Co
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Filing: 1967-07-26
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Granted: 1970-02-24
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Expires: 1987-07-26
Abstract
No abstract record available.
Inventors
- 👤 Roger F Monroe
- 👤 Donald L Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:43
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/14; C10; C10M; C10M1/00; C10M1/08; C10M2225/00; C10M2225/02; C10N; C10N2010/00; C10N2010/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2512063A
Cited
US3197436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |