US2290036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Udylite Corp
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Filing: 1940-11-14
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Granted: 1942-07-14
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Expires: 1960-11-14
Abstract
No abstract record available.
Inventors
- 👤 Davis John Virden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:17
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/02; F26B11/04; F26B11/0436; C; C23; C23G; C23G3/00; C25; C25D; C25D17/00; C25D17/16; C25D17/18; C25D17/20; F26B11/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-07-13 | 1946-01-12 | 1946-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-13 | 1950-01-12 | 1950-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-13 | 1954-01-12 | 1954-07-14 | $7700.00 | Window Closed / Lapsed |