US2476554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of inhibiting deterioration of organic compounds
Assignee: ConocoPhillips Co
•
Filing: 1944-04-28
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Granted: 1949-07-19
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Expires: 1964-04-28
Abstract
No abstract record available.
Inventors
- 👤 Bert H Lincoln
- 👤 Clarence A Neilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:03
CPC Classifications
C; C09; C09K; C09K15/00; C09K15/04; C09K15/16; C09K15/18; C07; C07C; C07C17/00; C07C17/38; C07C17/42; C07C41/00; C07C41/01; C07C41/18; C07C41/22; C07C51/00; C07C51/42; C07C51/50; C07C67/00; C07C67/30; C07C67/307; C07C67/48; C07C67/62; C07C7/00; C07C7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1679998A
Cited
US1890099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |