US3099650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing liquid polymers and copolymers with reduced modifier levels
Assignee: American Synthetic Rubber Corp
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Filing: 1961-10-19
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Granted: 1963-07-30
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Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Boyer
- 👤 Richard O Stucker
- 👤 Edward L Ries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:20
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2434536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |