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US2479948A
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Stabilized composition
Assignee: Shell Development Co
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Filing: 1947-01-25
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Granted: 1949-08-23
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Expires: 1967-01-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Daniel B Luten
- 👤 Benedictis Aldo De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:11
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/183; C10L1/1835; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C10L1/103; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C11D; C11D9/00; C11D9/04; C11D9/045; C11D9/22; C11D9/26; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2090484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |