US2336598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of organic substances
Assignee: EIDP Inc
•
Filing: 1939-11-03
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Granted: 1943-12-14
•
Expires: 1959-11-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Downing
- 👤 Charles J Pedersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:06
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/23; C09; C09K; C09K15/00; C09K15/04; C09K15/20; C09K15/24; C11; C11B; C11B5/00; C11B5/0042; C11D; C11D9/00; C11D9/04; C11D9/045; C11D9/22; C11D9/30; G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/305; G03C5/3053
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) | 1946-12-13 | 1947-06-14 | 1947-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-13 | 1951-06-14 | 1951-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-13 | 1955-06-14 | 1955-12-14 | $7700.00 | Window Closed / Lapsed |