US2576009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for arresting the polymerization of chloroprene
Assignee: EIDP Inc
•
Filing: 1948-07-22
•
Granted: 1951-11-20
•
Expires: 1968-07-22
Abstract
No abstract record available.
Inventors
- 👤 John R Goertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:10
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08F36/14; C08F36/16; C08F36/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2234211A
Cited
US2494087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |