US2424475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray
Assignee: Individual
•
Filing: 1946-01-11
•
Granted: 1947-07-22
•
Expires: 1966-01-11
Abstract
No abstract record available.
Inventors
- 👤 Edward K Madan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:00
CPC Classifications
A; A47; A47L; A47L19/00; A47L19/04; Y; Y10; Y10S; Y10S220/00; Y10S220/14; Y10S220/15
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) | 1950-07-21 | 1951-01-20 | 1951-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-21 | 1955-01-20 | 1955-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-21 | 1959-01-20 | 1959-07-22 | $7700.00 | Window Closed / Lapsed |