US2744734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beater ejector
Assignee: ILLINOIS MCGRAW ELECTRIC CO
•
Filing: 1953-09-11
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Granted: 1956-05-08
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Expires: 1973-09-11
Abstract
No abstract record available.
Inventors
- 👤 Donald W Schoen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:44
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/044; A47J2043/04409; A47J2043/04418
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |