Patent US2353690A successfully refreshed from Google Patents.
US2353690A
Expired / Lapsed
US
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Stabilization of organic substances
Assignee: EIDP Inc
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Filing: 1942-11-11
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Granted: 1944-07-18
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Expires: 1962-11-11
Abstract
No abstract record available.
Inventors
- 👤 Richard G Clarkson
- 👤 Charles J Pedersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:17
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/226; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C08K5/30; C08K5/31; C08K5/36; C08K5/39; C08K5/405; C10L1/24; C10L1/2425; C11; C11B; C11B5/00; C11B5/0042; C11B5/005; 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) | 1947-07-18 | 1948-01-17 | 1948-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-07-18 | 1952-01-17 | 1952-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-07-18 | 1956-01-17 | 1956-07-18 | $7700.00 | Window Closed / Lapsed |