US3423367A
Expired / Lapsed
US
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Alkylated terpolymers
Assignee: GAF Corp
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Filing: 1966-02-07
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Granted: 1969-01-21
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Ashot Merijan
- 👤 Frederick Grosser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:31
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/72; A61K8/81; A61K8/817; A61K8/8182; A61Q17/00; A61Q17/005; C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/766; C08; C08F; C08F8/00; C08F8/18; C08F8/20; C10; C10M; C10M143/00; C10M145/00; C10M145/02; C10M147/00; C10M149/00; C10M149/02; C10M149/10; C08F2800/00; C08F2800/10; C08F2800/20; C10M2201/00; C10M2201/02; C10M2205/00; C10M2205/02; C10M2209/00; C10M2209/02; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/08; C10N2040/46
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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |