Patent US2363777A successfully refreshed from Google Patents.
US2363777A
Expired / Lapsed
US
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Stabilization of organic substances
Assignee: EIDP Inc
•
Filing: 1942-12-01
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Granted: 1944-11-28
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Expires: 1962-12-01
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Downing
- 👤 Charles J Pedersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:26
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/305; G03C5/3053; C; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C09; C09K; C09K15/00; C09K15/04; C09K15/20; C11; C11B; C11B5/00; C11B5/0042; C11B5/005
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) | 1947-11-28 | 1948-05-29 | 1948-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-28 | 1952-05-29 | 1952-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-28 | 1956-05-29 | 1956-11-28 | $7700.00 | Window Closed / Lapsed |