US2508024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key holder
Assignee: Individual
•
Filing: 1947-03-12
•
Granted: 1950-05-16
•
Expires: 1967-03-12
Abstract
No abstract record available.
Inventors
- 👤 Atto N Hanna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:01
CPC Classifications
A; A45; A45F; A45F5/00; A45F5/02; A45F5/1558; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676
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) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |