US2768178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endrev stabilization using inorganic
Assignee: —
•
Filing: —
•
Granted: 1956-10-23
•
Expires: 1973-10-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:29
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/40; C07D303/42; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5026; C08G59/5033; C08L; C08L63/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2676132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |