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US2401291A
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Assignee: EIDP Inc
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Filing: 1943-06-11
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Granted: 1946-05-28
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Expires: 1963-06-11
Abstract
No abstract record available.
Inventors
- 👤 Albert F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:57
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/40; A; A63; A63B; A63B51/00; A63B51/02; D02G3/44; D02G3/444; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/59; D06M15/595; Y; Y10; Y10S; Y10S273/00; Y10S273/06
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) | 1949-05-27 | 1949-11-26 | 1950-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-27 | 1953-11-26 | 1954-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-27 | 1957-11-26 | 1958-05-28 | $7700.00 | Window Closed / Lapsed |