Patent US2333730A successfully refreshed from Google Patents.
US2333730A
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Phenol rubber polybutene composition and article made therefrom
Assignee: EIDP Inc
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Filing: 1941-06-21
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Granted: 1943-11-09
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Expires: 1961-06-21
Abstract
No abstract record available.
Inventors
- 👤 James A Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:00
CPC Classifications
C; C08; C08L; C08L15/00; C08C; C08C19/00; C09; C09J; C09J7/00; C09J7/30; C09J7/35; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L23/22; C08L91/00; C08L91/06; C08L91/08; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/31504; Y10T428/31826; Y10T428/31841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-11-08 | 1947-05-10 | 1947-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-08 | 1951-05-10 | 1951-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-08 | 1955-05-10 | 1955-11-09 | $7700.00 | Window Closed / Lapsed |