Patent US2433045A successfully refreshed from Google Patents.
US2433045A
Expired / Lapsed
US
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Recovery of polymerized olefines
Assignee: —
•
Filing: —
•
Granted: 1947-12-23
•
Expires: 1964-12-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:45
CPC Classifications
C; C08; C08F; C08F6/00; C08F6/26; C08F6/28; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2077542A
Cited
US2210774A
Cited
US2149562A
Cited
US2221000A
Cited
US2226529A
Cited
US2256483A
Cited
US2388138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-22 | 1951-06-23 | 1951-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-22 | 1955-06-23 | 1955-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-22 | 1959-06-23 | 1959-12-23 | $7700.00 | Window Closed / Lapsed |