US2459076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing
Assignee: —
•
Filing: —
•
Granted: 1949-01-11
•
Expires: 1966-01-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:34
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/30; C07C43/303; C07C41/00; C07C41/48; C07C41/50; C07C41/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2229651A
Cited
US2425042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |