US2459042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capillarity control means
Assignee: Individual
•
Filing: 1947-08-11
•
Granted: 1949-01-11
•
Expires: 1967-08-11
Abstract
No abstract record available.
Inventors
- 👤 David T Nave
- 👤 Raymond L Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:21
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/34; F23Q2/44
Claims Analysis
Total Claims: 0
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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 |