US2419202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymerizing butadiene, styrene, and ethyl acrylate
Assignee: General Electric Co
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Filing: 1942-09-17
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Granted: 1947-04-22
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Expires: 1962-09-17
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:37
CPC Classifications
C; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB360822A
Cited
DE588785C
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GB456442A
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GB522982A
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US2230784A
Cited
US2273138A
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US2232515A
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US2271383A
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US2271125A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-21 | 1950-10-21 | 1951-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-21 | 1954-10-21 | 1955-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-21 | 1958-10-21 | 1959-04-22 | $7700.00 | Window Closed / Lapsed |